Home / 157,465,411.52-217,302,403.20-87,850,803.20

Finding the Fourth Proportional to 157,465,411.52, 217,302,403.20 and 87,850,803.20

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Solution

The fourth proportional to 157,465,411.52, 217,302,403.20 and 87,850,803.20 is: 121,234,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,411.52 : 217,302,403.20 = 87,850,803.20 : x
  2. Step 2: Convert to fraction form
    157,465,411.52/217,302,403.20 = 87,850,803.20/x
  3. Step 3: Cross multiply
    157,465,411.52x = 217,302,403.20 × 87,850,803.20
  4. Step 4: Simplify right side
    157,465,411.52x = 19,090,190,658,410,248
  5. Step 5: Solve for x
    x = 19,090,190,658,410,248/157,465,411.52
  6. Step 6: Final answer
    x = 121,234,183.90

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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.