Home / 82,407,702.36-123,622,885.08-30,587,901.96

Finding the Fourth Proportional to 82,407,702.36, 123,622,885.08 and 30,587,901.96

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Solution

The fourth proportional to 82,407,702.36, 123,622,885.08 and 30,587,901.96 is: 45,886,058.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,407,702.36 : 123,622,885.08 = 30,587,901.96 : x
  2. Step 2: Convert to fraction form
    82,407,702.36/123,622,885.08 = 30,587,901.96/x
  3. Step 3: Cross multiply
    82,407,702.36x = 123,622,885.08 × 30,587,901.96
  4. Step 4: Simplify right side
    82,407,702.36x = 3,781,364,688,839,387
  5. Step 5: Solve for x
    x = 3,781,364,688,839,387/82,407,702.36
  6. Step 6: Final answer
    x = 45,886,058.96

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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.