Home / 147,998,387.78-204,233,341.29-81,921,594.50

Finding the Fourth Proportional to 147,998,387.78, 204,233,341.29 and 81,921,594.50

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Solution

The fourth proportional to 147,998,387.78, 204,233,341.29 and 81,921,594.50 is: 113,049,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,998,387.78 : 204,233,341.29 = 81,921,594.50 : x
  2. Step 2: Convert to fraction form
    147,998,387.78/204,233,341.29 = 81,921,594.50/x
  3. Step 3: Cross multiply
    147,998,387.78x = 204,233,341.29 × 81,921,594.50
  4. Step 4: Simplify right side
    147,998,387.78x = 16,731,120,968,539,486
  5. Step 5: Solve for x
    x = 16,731,120,968,539,486/147,998,387.78
  6. Step 6: Final answer
    x = 113,049,346.14

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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.