Home / 91,860,998.40-137,791,497.60-31,276,724.40

Finding the Fourth Proportional to 91,860,998.40, 137,791,497.60 and 31,276,724.40

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Solution

The fourth proportional to 91,860,998.40, 137,791,497.60 and 31,276,724.40 is: 46,915,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,860,998.40 : 137,791,497.60 = 31,276,724.40 : x
  2. Step 2: Convert to fraction form
    91,860,998.40/137,791,497.60 = 31,276,724.40/x
  3. Step 3: Cross multiply
    91,860,998.40x = 137,791,497.60 × 31,276,724.40
  4. Step 4: Simplify right side
    91,860,998.40x = 4,309,666,695,098,461
  5. Step 5: Solve for x
    x = 4,309,666,695,098,461/91,860,998.40
  6. Step 6: Final answer
    x = 46,915,086.60

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Similar ratio
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1.5x scale

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.