Home / 157,781,010.72-217,733,617.92-88,166,963.64

Finding the Fourth Proportional to 157,781,010.72, 217,733,617.92 and 88,166,963.64

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Solution

The fourth proportional to 157,781,010.72, 217,733,617.92 and 88,166,963.64 is: 121,668,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,781,010.72 : 217,733,617.92 = 88,166,963.64 : x
  2. Step 2: Convert to fraction form
    157,781,010.72/217,733,617.92 = 88,166,963.64/x
  3. Step 3: Cross multiply
    157,781,010.72x = 217,733,617.92 × 88,166,963.64
  4. Step 4: Simplify right side
    157,781,010.72x = 19,196,911,974,358,292
  5. Step 5: Solve for x
    x = 19,196,911,974,358,292/157,781,010.72
  6. Step 6: Final answer
    x = 121,668,075.81

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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.