Home / 74,911,147.38-112,366,721.79-21,058,459.38

Finding the Fourth Proportional to 74,911,147.38, 112,366,721.79 and 21,058,459.38

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Solution

The fourth proportional to 74,911,147.38, 112,366,721.79 and 21,058,459.38 is: 31,587,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,911,147.38 : 112,366,721.79 = 21,058,459.38 : x
  2. Step 2: Convert to fraction form
    74,911,147.38/112,366,721.79 = 21,058,459.38/x
  3. Step 3: Cross multiply
    74,911,147.38x = 112,366,721.79 × 21,058,459.38
  4. Step 4: Simplify right side
    74,911,147.38x = 2,366,270,046,478,476
  5. Step 5: Solve for x
    x = 2,366,270,046,478,476/74,911,147.38
  6. Step 6: Final answer
    x = 31,587,689.27

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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.