Home / 119,148,044.64-164,437,615.38-72,131,024.80

Finding the Fourth Proportional to 119,148,044.64, 164,437,615.38 and 72,131,024.80

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Solution

The fourth proportional to 119,148,044.64, 164,437,615.38 and 72,131,024.80 is: 99,548,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,148,044.64 : 164,437,615.38 = 72,131,024.80 : x
  2. Step 2: Convert to fraction form
    119,148,044.64/164,437,615.38 = 72,131,024.80/x
  3. Step 3: Cross multiply
    119,148,044.64x = 164,437,615.38 × 72,131,024.80
  4. Step 4: Simplify right side
    119,148,044.64x = 11,861,053,713,027,640
  5. Step 5: Solve for x
    x = 11,861,053,713,027,640/119,148,044.64
  6. Step 6: Final answer
    x = 99,548,874.25

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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.