Home / 140,361,398.88-193,685,731.44-77,636,147.04

Finding the Fourth Proportional to 140,361,398.88, 193,685,731.44 and 77,636,147.04

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Solution

The fourth proportional to 140,361,398.88, 193,685,731.44 and 77,636,147.04 is: 107,130,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,361,398.88 : 193,685,731.44 = 77,636,147.04 : x
  2. Step 2: Convert to fraction form
    140,361,398.88/193,685,731.44 = 77,636,147.04/x
  3. Step 3: Cross multiply
    140,361,398.88x = 193,685,731.44 × 77,636,147.04
  4. Step 4: Simplify right side
    140,361,398.88x = 15,037,013,925,625,792
  5. Step 5: Solve for x
    x = 15,037,013,925,625,792/140,361,398.88
  6. Step 6: Final answer
    x = 107,130,692.95

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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.