Home / 131,083,634.16-180,895,798.76-71,545,478.80

Finding the Fourth Proportional to 131,083,634.16, 180,895,798.76 and 71,545,478.80

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Solution

The fourth proportional to 131,083,634.16, 180,895,798.76 and 71,545,478.80 is: 98,732,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,083,634.16 : 180,895,798.76 = 71,545,478.80 : x
  2. Step 2: Convert to fraction form
    131,083,634.16/180,895,798.76 = 71,545,478.80/x
  3. Step 3: Cross multiply
    131,083,634.16x = 180,895,798.76 × 71,545,478.80
  4. Step 4: Simplify right side
    131,083,634.16x = 12,942,276,535,192,646
  5. Step 5: Solve for x
    x = 12,942,276,535,192,646/131,083,634.16
  6. Step 6: Final answer
    x = 98,732,970.12

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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.