Home / 124,493,132.80-186,772,358.40-47,818,662.40

Finding the Fourth Proportional to 124,493,132.80, 186,772,358.40 and 47,818,662.40

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Solution

The fourth proportional to 124,493,132.80, 186,772,358.40 and 47,818,662.40 is: 71,740,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,493,132.80 : 186,772,358.40 = 47,818,662.40 : x
  2. Step 2: Convert to fraction form
    124,493,132.80/186,772,358.40 = 47,818,662.40/x
  3. Step 3: Cross multiply
    124,493,132.80x = 186,772,358.40 × 47,818,662.40
  4. Step 4: Simplify right side
    124,493,132.80x = 8,931,204,351,981,404
  5. Step 5: Solve for x
    x = 8,931,204,351,981,404/124,493,132.80
  6. Step 6: Final answer
    x = 71,740,538.22

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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.