Home / 157,943,815.04-217,961,720.74-88,329,472.72

Finding the Fourth Proportional to 157,943,815.04, 217,961,720.74 and 88,329,472.72

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Solution

The fourth proportional to 157,943,815.04, 217,961,720.74 and 88,329,472.72 is: 121,894,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,943,815.04 : 217,961,720.74 = 88,329,472.72 : x
  2. Step 2: Convert to fraction form
    157,943,815.04/217,961,720.74 = 88,329,472.72/x
  3. Step 3: Cross multiply
    157,943,815.04x = 217,961,720.74 × 88,329,472.72
  4. Step 4: Simplify right side
    157,943,815.04x = 19,252,443,865,672,712
  5. Step 5: Solve for x
    x = 19,252,443,865,672,712/157,943,815.04
  6. Step 6: Final answer
    x = 121,894,256.26

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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.