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Finding the Fourth Proportional to 124,632,141.60, 186,948,212.40 and 124,632,141.60

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Solution

The fourth proportional to 124,632,141.60, 186,948,212.40 and 124,632,141.60 is: 186,948,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,632,141.60 : 186,948,212.40 = 124,632,141.60 : x
  2. Step 2: Convert to fraction form
    124,632,141.60/186,948,212.40 = 124,632,141.60/x
  3. Step 3: Cross multiply
    124,632,141.60x = 186,948,212.40 × 124,632,141.60
  4. Step 4: Simplify right side
    124,632,141.60x = 23,299,756,079,703,676
  5. Step 5: Solve for x
    x = 23,299,756,079,703,676/124,632,141.60
  6. Step 6: Final answer
    x = 186,948,212.40

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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.