Home / 103,224,547.22-142,449,867.11-56,181,957.84

Finding the Fourth Proportional to 103,224,547.22, 142,449,867.11 and 56,181,957.84

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Solution

The fourth proportional to 103,224,547.22, 142,449,867.11 and 56,181,957.84 is: 77,531,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,224,547.22 : 142,449,867.11 = 56,181,957.84 : x
  2. Step 2: Convert to fraction form
    103,224,547.22/142,449,867.11 = 56,181,957.84/x
  3. Step 3: Cross multiply
    103,224,547.22x = 142,449,867.11 × 56,181,957.84
  4. Step 4: Simplify right side
    103,224,547.22x = 8,003,112,428,006,713
  5. Step 5: Solve for x
    x = 8,003,112,428,006,713/103,224,547.22
  6. Step 6: Final answer
    x = 77,531,097.44

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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.