Home / 113,514,916,340.65-156,576,772,734.17-72,805,346,433.85

Finding the Fourth Proportional to 113,514,916,340.65, 156,576,772,734.17 and 72,805,346,433.85

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Solution

The fourth proportional to 113,514,916,340.65, 156,576,772,734.17 and 72,805,346,433.85 is: 100,424,037,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,514,916,340.65 : 156,576,772,734.17 = 72,805,346,433.85 : x
  2. Step 2: Convert to fraction form
    113,514,916,340.65/156,576,772,734.17 = 72,805,346,433.85/x
  3. Step 3: Cross multiply
    113,514,916,340.65x = 156,576,772,734.17 × 72,805,346,433.85
  4. Step 4: Simplify right side
    113,514,916,340.65x = 11,399,626,182,406,074,007,552
  5. Step 5: Solve for x
    x = 11,399,626,182,406,074,007,552/113,514,916,340.65
  6. Step 6: Final answer
    x = 100,424,037,209.32

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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.