Home / 123,537,251.04-170,484,543.92-67,782,656.60

Finding the Fourth Proportional to 123,537,251.04, 170,484,543.92 and 67,782,656.60

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Solution

The fourth proportional to 123,537,251.04, 170,484,543.92 and 67,782,656.60 is: 93,541,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,537,251.04 : 170,484,543.92 = 67,782,656.60 : x
  2. Step 2: Convert to fraction form
    123,537,251.04/170,484,543.92 = 67,782,656.60/x
  3. Step 3: Cross multiply
    123,537,251.04x = 170,484,543.92 × 67,782,656.60
  4. Step 4: Simplify right side
    123,537,251.04x = 11,555,895,296,136,976
  5. Step 5: Solve for x
    x = 11,555,895,296,136,976/123,537,251.04
  6. Step 6: Final answer
    x = 93,541,787.59

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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.