Home / 256,899,391.65-385,262,724.18-93,102,853.86

Finding the Fourth Proportional to 256,899,391.65, 385,262,724.18 and 93,102,853.86

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Solution

The fourth proportional to 256,899,391.65, 385,262,724.18 and 93,102,853.86 is: 139,622,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,899,391.65 : 385,262,724.18 = 93,102,853.86 : x
  2. Step 2: Convert to fraction form
    256,899,391.65/385,262,724.18 = 93,102,853.86/x
  3. Step 3: Cross multiply
    256,899,391.65x = 385,262,724.18 × 93,102,853.86
  4. Step 4: Simplify right side
    256,899,391.65x = 35,869,059,107,036,028
  5. Step 5: Solve for x
    x = 35,869,059,107,036,028/256,899,391.65
  6. Step 6: Final answer
    x = 139,622,981.89

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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.