Home / 157,114,150.93-216,824,255.10-87,499,531.59

Finding the Fourth Proportional to 157,114,150.93, 216,824,255.10 and 87,499,531.59

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Solution

The fourth proportional to 157,114,150.93, 216,824,255.10 and 87,499,531.59 is: 120,753,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,114,150.93 : 216,824,255.10 = 87,499,531.59 : x
  2. Step 2: Convert to fraction form
    157,114,150.93/216,824,255.10 = 87,499,531.59/x
  3. Step 3: Cross multiply
    157,114,150.93x = 216,824,255.10 × 87,499,531.59
  4. Step 4: Simplify right side
    157,114,150.93x = 18,972,020,758,600,668
  5. Step 5: Solve for x
    x = 18,972,020,758,600,668/157,114,150.93
  6. Step 6: Final answer
    x = 120,753,099.87

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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.