Home / 434,432,044.80-651,474,856.80-143,218,123.20

Finding the Fourth Proportional to 434,432,044.80, 651,474,856.80 and 143,218,123.20

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Solution

The fourth proportional to 434,432,044.80, 651,474,856.80 and 143,218,123.20 is: 214,770,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,432,044.80 : 651,474,856.80 = 143,218,123.20 : x
  2. Step 2: Convert to fraction form
    434,432,044.80/651,474,856.80 = 143,218,123.20/x
  3. Step 3: Cross multiply
    434,432,044.80x = 651,474,856.80 × 143,218,123.20
  4. Step 4: Simplify right side
    434,432,044.80x = 93,303,006,302,884,736
  5. Step 5: Solve for x
    x = 93,303,006,302,884,736/434,432,044.80
  6. Step 6: Final answer
    x = 214,770,082.96

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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.