Home / 121,789,200.60-182,683,800.90-83,047,151.70

Finding the Fourth Proportional to 121,789,200.60, 182,683,800.90 and 83,047,151.70

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Solution

The fourth proportional to 121,789,200.60, 182,683,800.90 and 83,047,151.70 is: 124,570,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,789,200.60 : 182,683,800.90 = 83,047,151.70 : x
  2. Step 2: Convert to fraction form
    121,789,200.60/182,683,800.90 = 83,047,151.70/x
  3. Step 3: Cross multiply
    121,789,200.60x = 182,683,800.90 × 83,047,151.70
  4. Step 4: Simplify right side
    121,789,200.60x = 15,171,369,326,474,898
  5. Step 5: Solve for x
    x = 15,171,369,326,474,898/121,789,200.60
  6. Step 6: Final answer
    x = 124,570,727.55

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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.