Home / 146,700,931.60-219,911,429.40-54,559,997.20

Finding the Fourth Proportional to 146,700,931.60, 219,911,429.40 and 54,559,997.20

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Solution

The fourth proportional to 146,700,931.60, 219,911,429.40 and 54,559,997.20 is: 81,787,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,700,931.60 : 219,911,429.40 = 54,559,997.20 : x
  2. Step 2: Convert to fraction form
    146,700,931.60/219,911,429.40 = 54,559,997.20/x
  3. Step 3: Cross multiply
    146,700,931.60x = 219,911,429.40 × 54,559,997.20
  4. Step 4: Simplify right side
    146,700,931.60x = 11,998,366,972,311,998
  5. Step 5: Solve for x
    x = 11,998,366,972,311,998/146,700,931.60
  6. Step 6: Final answer
    x = 81,787,939.87

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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.