Home / 142,676,850.24-196,895,210.40-77,487,220.80

Finding the Fourth Proportional to 142,676,850.24, 196,895,210.40 and 77,487,220.80

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Solution

The fourth proportional to 142,676,850.24, 196,895,210.40 and 77,487,220.80 is: 106,932,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,676,850.24 : 196,895,210.40 = 77,487,220.80 : x
  2. Step 2: Convert to fraction form
    142,676,850.24/196,895,210.40 = 77,487,220.80/x
  3. Step 3: Cross multiply
    142,676,850.24x = 196,895,210.40 × 77,487,220.80
  4. Step 4: Simplify right side
    142,676,850.24x = 15,256,862,642,727,256
  5. Step 5: Solve for x
    x = 15,256,862,642,727,256/142,676,850.24
  6. Step 6: Final answer
    x = 106,932,993.10

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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.