Home / 84,876,885.78-127,061,565.48-51,983,884.98

Finding the Fourth Proportional to 84,876,885.78, 127,061,565.48 and 51,983,884.98

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Solution

The fourth proportional to 84,876,885.78, 127,061,565.48 and 51,983,884.98 is: 77,820,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,876,885.78 : 127,061,565.48 = 51,983,884.98 : x
  2. Step 2: Convert to fraction form
    84,876,885.78/127,061,565.48 = 51,983,884.98/x
  3. Step 3: Cross multiply
    84,876,885.78x = 127,061,565.48 × 51,983,884.98
  4. Step 4: Simplify right side
    84,876,885.78x = 6,605,153,805,291,058
  5. Step 5: Solve for x
    x = 6,605,153,805,291,058/84,876,885.78
  6. Step 6: Final answer
    x = 77,820,407.11

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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.