Home / 145,584,086.40-218,376,129.60-134,498,620.80

Finding the Fourth Proportional to 145,584,086.40, 218,376,129.60 and 134,498,620.80

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Solution

The fourth proportional to 145,584,086.40, 218,376,129.60 and 134,498,620.80 is: 201,747,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,584,086.40 : 218,376,129.60 = 134,498,620.80 : x
  2. Step 2: Convert to fraction form
    145,584,086.40/218,376,129.60 = 134,498,620.80/x
  3. Step 3: Cross multiply
    145,584,086.40x = 218,376,129.60 × 134,498,620.80
  4. Step 4: Simplify right side
    145,584,086.40x = 29,371,288,246,842,056
  5. Step 5: Solve for x
    x = 29,371,288,246,842,056/145,584,086.40
  6. Step 6: Final answer
    x = 201,747,931.20

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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.