Home / 142,070,765.28-195,949,623.08-122,257,925.14

Finding the Fourth Proportional to 142,070,765.28, 195,949,623.08 and 122,257,925.14

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Solution

The fourth proportional to 142,070,765.28, 195,949,623.08 and 122,257,925.14 is: 168,622,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,070,765.28 : 195,949,623.08 = 122,257,925.14 : x
  2. Step 2: Convert to fraction form
    142,070,765.28/195,949,623.08 = 122,257,925.14/x
  3. Step 3: Cross multiply
    142,070,765.28x = 195,949,623.08 × 122,257,925.14
  4. Step 4: Simplify right side
    142,070,765.28x = 23,956,394,349,114,564
  5. Step 5: Solve for x
    x = 23,956,394,349,114,564/142,070,765.28
  6. Step 6: Final answer
    x = 168,622,969.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.