Home / 91,398,313.06-137,092,641.09-29,979,381.45

Finding the Fourth Proportional to 91,398,313.06, 137,092,641.09 and 29,979,381.45

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Solution

The fourth proportional to 91,398,313.06, 137,092,641.09 and 29,979,381.45 is: 44,967,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,398,313.06 : 137,092,641.09 = 29,979,381.45 : x
  2. Step 2: Convert to fraction form
    91,398,313.06/137,092,641.09 = 29,979,381.45/x
  3. Step 3: Cross multiply
    91,398,313.06x = 137,092,641.09 × 29,979,381.45
  4. Step 4: Simplify right side
    91,398,313.06x = 4,109,952,580,638,724.50
  5. Step 5: Solve for x
    x = 4,109,952,580,638,724.50/91,398,313.06
  6. Step 6: Final answer
    x = 44,967,488.38

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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.