Home / 72,446,397.76-99,966,940.06-48,976,002.20

Finding the Fourth Proportional to 72,446,397.76, 99,966,940.06 and 48,976,002.20

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Solution

The fourth proportional to 72,446,397.76, 99,966,940.06 and 48,976,002.20 is: 67,580,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,446,397.76 : 99,966,940.06 = 48,976,002.20 : x
  2. Step 2: Convert to fraction form
    72,446,397.76/99,966,940.06 = 48,976,002.20/x
  3. Step 3: Cross multiply
    72,446,397.76x = 99,966,940.06 × 48,976,002.20
  4. Step 4: Simplify right side
    72,446,397.76x = 4,895,981,076,305,829
  5. Step 5: Solve for x
    x = 4,895,981,076,305,829/72,446,397.76
  6. Step 6: Final answer
    x = 67,580,738.69

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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.