Home / 91,860,751.80-137,791,127.70-62,761,404.60

Finding the Fourth Proportional to 91,860,751.80, 137,791,127.70 and 62,761,404.60

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Solution

The fourth proportional to 91,860,751.80, 137,791,127.70 and 62,761,404.60 is: 94,142,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,860,751.80 : 137,791,127.70 = 62,761,404.60 : x
  2. Step 2: Convert to fraction form
    91,860,751.80/137,791,127.70 = 62,761,404.60/x
  3. Step 3: Cross multiply
    91,860,751.80x = 137,791,127.70 × 62,761,404.60
  4. Step 4: Simplify right side
    91,860,751.80x = 8,647,964,715,869,967
  5. Step 5: Solve for x
    x = 8,647,964,715,869,967/91,860,751.80
  6. Step 6: Final answer
    x = 94,142,106.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.