Home / 157,366,488,851.96-217,165,752,934.20-85,108,553,698.98

Finding the Fourth Proportional to 157,366,488,851.96, 217,165,752,934.20 and 85,108,553,698.98

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Solution

The fourth proportional to 157,366,488,851.96, 217,165,752,934.20 and 85,108,553,698.98 is: 117,449,803,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,366,488,851.96 : 217,165,752,934.20 = 85,108,553,698.98 : x
  2. Step 2: Convert to fraction form
    157,366,488,851.96/217,165,752,934.20 = 85,108,553,698.98/x
  3. Step 3: Cross multiply
    157,366,488,851.96x = 217,165,752,934.20 × 85,108,553,698.98
  4. Step 4: Simplify right side
    157,366,488,851.96x = 18,482,663,145,179,784,937,472
  5. Step 5: Solve for x
    x = 18,482,663,145,179,784,937,472/157,366,488,851.96
  6. Step 6: Final answer
    x = 117,449,803,195.18

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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.