Home / 154,986,011.64-232,479,337.31-145,515,733.02

Finding the Fourth Proportional to 154,986,011.64, 232,479,337.31 and 145,515,733.02

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Solution

The fourth proportional to 154,986,011.64, 232,479,337.31 and 145,515,733.02 is: 218,273,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,986,011.64 : 232,479,337.31 = 145,515,733.02 : x
  2. Step 2: Convert to fraction form
    154,986,011.64/232,479,337.31 = 145,515,733.02/x
  3. Step 3: Cross multiply
    154,986,011.64x = 232,479,337.31 × 145,515,733.02
  4. Step 4: Simplify right side
    154,986,011.64x = 33,829,401,179,940,908
  5. Step 5: Solve for x
    x = 33,829,401,179,940,908/154,986,011.64
  6. Step 6: Final answer
    x = 218,273,899.83

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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.