Home / 96,998,643.72-133,838,146.15-55,737,564.48

Finding the Fourth Proportional to 96,998,643.72, 133,838,146.15 and 55,737,564.48

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Solution

The fourth proportional to 96,998,643.72, 133,838,146.15 and 55,737,564.48 is: 76,906,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998,643.72 : 133,838,146.15 = 55,737,564.48 : x
  2. Step 2: Convert to fraction form
    96,998,643.72/133,838,146.15 = 55,737,564.48/x
  3. Step 3: Cross multiply
    96,998,643.72x = 133,838,146.15 × 55,737,564.48
  4. Step 4: Simplify right side
    96,998,643.72x = 7,459,812,300,779,944
  5. Step 5: Solve for x
    x = 7,459,812,300,779,944/96,998,643.72
  6. Step 6: Final answer
    x = 76,906,356.78

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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.