Home / 87,093,321.67-130,642,812.02-25,677,330.13

Finding the Fourth Proportional to 87,093,321.67, 130,642,812.02 and 25,677,330.13

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Solution

The fourth proportional to 87,093,321.67, 130,642,812.02 and 25,677,330.13 is: 38,516,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,093,321.67 : 130,642,812.02 = 25,677,330.13 : x
  2. Step 2: Convert to fraction form
    87,093,321.67/130,642,812.02 = 25,677,330.13/x
  3. Step 3: Cross multiply
    87,093,321.67x = 130,642,812.02 × 25,677,330.13
  4. Step 4: Simplify right side
    87,093,321.67x = 3,354,558,613,349,072
  5. Step 5: Solve for x
    x = 3,354,558,613,349,072/87,093,321.67
  6. Step 6: Final answer
    x = 38,516,829.41

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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.