Home / 372,102,130.92-513,500,942.16-207,128,672.76

Finding the Fourth Proportional to 372,102,130.92, 513,500,942.16 and 207,128,672.76

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Solution

The fourth proportional to 372,102,130.92, 513,500,942.16 and 207,128,672.76 is: 285,837,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,102,130.92 : 513,500,942.16 = 207,128,672.76 : x
  2. Step 2: Convert to fraction form
    372,102,130.92/513,500,942.16 = 207,128,672.76/x
  3. Step 3: Cross multiply
    372,102,130.92x = 513,500,942.16 × 207,128,672.76
  4. Step 4: Simplify right side
    372,102,130.92x = 106,360,768,610,610,336
  5. Step 5: Solve for x
    x = 106,360,768,610,610,336/372,102,130.92
  6. Step 6: Final answer
    x = 285,837,569.24

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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.