Home / 48,123,086.60-72,184,629.90-28,991,210.60

Finding the Fourth Proportional to 48,123,086.60, 72,184,629.90 and 28,991,210.60

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Solution

The fourth proportional to 48,123,086.60, 72,184,629.90 and 28,991,210.60 is: 43,486,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,123,086.60 : 72,184,629.90 = 28,991,210.60 : x
  2. Step 2: Convert to fraction form
    48,123,086.60/72,184,629.90 = 28,991,210.60/x
  3. Step 3: Cross multiply
    48,123,086.60x = 72,184,629.90 × 28,991,210.60
  4. Step 4: Simplify right side
    48,123,086.60x = 2,092,719,807,513,957.25
  5. Step 5: Solve for x
    x = 2,092,719,807,513,957.25/48,123,086.60
  6. Step 6: Final answer
    x = 43,486,815.90

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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.