Home / 157,465,447.02-217,302,452.19-87,850,838.61

Finding the Fourth Proportional to 157,465,447.02, 217,302,452.19 and 87,850,838.61

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Solution

The fourth proportional to 157,465,447.02, 217,302,452.19 and 87,850,838.61 is: 121,234,232.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,447.02 : 217,302,452.19 = 87,850,838.61 : x
  2. Step 2: Convert to fraction form
    157,465,447.02/217,302,452.19 = 87,850,838.61/x
  3. Step 3: Cross multiply
    157,465,447.02x = 217,302,452.19 × 87,850,838.61
  4. Step 4: Simplify right side
    157,465,447.02x = 19,090,202,656,900,932
  5. Step 5: Solve for x
    x = 19,090,202,656,900,932/157,465,447.02
  6. Step 6: Final answer
    x = 121,234,232.77

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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.