Home / 120,862,371,206.40-181,293,556,809.60-68,619,595,142.40

Finding the Fourth Proportional to 120,862,371,206.40, 181,293,556,809.60 and 68,619,595,142.40

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Solution

The fourth proportional to 120,862,371,206.40, 181,293,556,809.60 and 68,619,595,142.40 is: 102,929,392,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,862,371,206.40 : 181,293,556,809.60 = 68,619,595,142.40 : x
  2. Step 2: Convert to fraction form
    120,862,371,206.40/181,293,556,809.60 = 68,619,595,142.40/x
  3. Step 3: Cross multiply
    120,862,371,206.40x = 181,293,556,809.60 × 68,619,595,142.40
  4. Step 4: Simplify right side
    120,862,371,206.40x = 12,440,290,470,200,447,336,448
  5. Step 5: Solve for x
    x = 12,440,290,470,200,447,336,448/120,862,371,206.40
  6. Step 6: Final answer
    x = 102,929,392,713.60

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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.