Home / 99,802,460.72-137,712,737.40-55,744,030.64

Finding the Fourth Proportional to 99,802,460.72, 137,712,737.40 and 55,744,030.64

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Solution

The fourth proportional to 99,802,460.72, 137,712,737.40 and 55,744,030.64 is: 76,918,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,802,460.72 : 137,712,737.40 = 55,744,030.64 : x
  2. Step 2: Convert to fraction form
    99,802,460.72/137,712,737.40 = 55,744,030.64/x
  3. Step 3: Cross multiply
    99,802,460.72x = 137,712,737.40 × 55,744,030.64
  4. Step 4: Simplify right side
    99,802,460.72x = 7,676,663,053,143,874
  5. Step 5: Solve for x
    x = 7,676,663,053,143,874/99,802,460.72
  6. Step 6: Final answer
    x = 76,918,574.93

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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.