Home / 65,655,320.94-90,615,593.70-38,169,192.42

Finding the Fourth Proportional to 65,655,320.94, 90,615,593.70 and 38,169,192.42

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Solution

The fourth proportional to 65,655,320.94, 90,615,593.70 and 38,169,192.42 is: 52,680,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,655,320.94 : 90,615,593.70 = 38,169,192.42 : x
  2. Step 2: Convert to fraction form
    65,655,320.94/90,615,593.70 = 38,169,192.42/x
  3. Step 3: Cross multiply
    65,655,320.94x = 90,615,593.70 × 38,169,192.42
  4. Step 4: Simplify right side
    65,655,320.94x = 3,458,724,032,187,840
  5. Step 5: Solve for x
    x = 3,458,724,032,187,840/65,655,320.94
  6. Step 6: Final answer
    x = 52,680,026.27

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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.