Home / 81,886,464,015.40-122,829,696,023.10-37,806,621,711.40

Finding the Fourth Proportional to 81,886,464,015.40, 122,829,696,023.10 and 37,806,621,711.40

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Solution

The fourth proportional to 81,886,464,015.40, 122,829,696,023.10 and 37,806,621,711.40 is: 56,709,932,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,886,464,015.40 : 122,829,696,023.10 = 37,806,621,711.40 : x
  2. Step 2: Convert to fraction form
    81,886,464,015.40/122,829,696,023.10 = 37,806,621,711.40/x
  3. Step 3: Cross multiply
    81,886,464,015.40x = 122,829,696,023.10 × 37,806,621,711.40
  4. Step 4: Simplify right side
    81,886,464,015.40x = 4,643,775,852,471,595,302,912
  5. Step 5: Solve for x
    x = 4,643,775,852,471,595,302,912/81,886,464,015.40
  6. Step 6: Final answer
    x = 56,709,932,567.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.