Home / 124,668,533.40-187,002,800.10-38,433,373.80

Finding the Fourth Proportional to 124,668,533.40, 187,002,800.10 and 38,433,373.80

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Solution

The fourth proportional to 124,668,533.40, 187,002,800.10 and 38,433,373.80 is: 57,650,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,668,533.40 : 187,002,800.10 = 38,433,373.80 : x
  2. Step 2: Convert to fraction form
    124,668,533.40/187,002,800.10 = 38,433,373.80/x
  3. Step 3: Cross multiply
    124,668,533.40x = 187,002,800.10 × 38,433,373.80
  4. Step 4: Simplify right side
    124,668,533.40x = 7,187,148,517,889,977
  5. Step 5: Solve for x
    x = 7,187,148,517,889,977/124,668,533.40
  6. Step 6: Final answer
    x = 57,650,060.70

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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.