Home / 154,769,608.40-231,818,489.40-127,895,752.40

Finding the Fourth Proportional to 154,769,608.40, 231,818,489.40 and 127,895,752.40

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Solution

The fourth proportional to 154,769,608.40, 231,818,489.40 and 127,895,752.40 is: 191,566,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,769,608.40 : 231,818,489.40 = 127,895,752.40 : x
  2. Step 2: Convert to fraction form
    154,769,608.40/231,818,489.40 = 127,895,752.40/x
  3. Step 3: Cross multiply
    154,769,608.40x = 231,818,489.40 × 127,895,752.40
  4. Step 4: Simplify right side
    154,769,608.40x = 29,648,600,122,044,428
  5. Step 5: Solve for x
    x = 29,648,600,122,044,428/154,769,608.40
  6. Step 6: Final answer
    x = 191,566,034.37

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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.