Home / 107,788,171.20-161,705,876.40-53,226,895.20

Finding the Fourth Proportional to 107,788,171.20, 161,705,876.40 and 53,226,895.20

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Solution

The fourth proportional to 107,788,171.20, 161,705,876.40 and 53,226,895.20 is: 79,852,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788,171.20 : 161,705,876.40 = 53,226,895.20 : x
  2. Step 2: Convert to fraction form
    107,788,171.20/161,705,876.40 = 53,226,895.20/x
  3. Step 3: Cross multiply
    107,788,171.20x = 161,705,876.40 × 53,226,895.20
  4. Step 4: Simplify right side
    107,788,171.20x = 8,607,101,736,366,954
  5. Step 5: Solve for x
    x = 8,607,101,736,366,954/107,788,171.20
  6. Step 6: Final answer
    x = 79,852,006.40

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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.