Home / 290,274,082.80-434,813,927.40-146,747,785.20

Finding the Fourth Proportional to 290,274,082.80, 434,813,927.40 and 146,747,785.20

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Solution

The fourth proportional to 290,274,082.80, 434,813,927.40 and 146,747,785.20 is: 219,819,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,274,082.80 : 434,813,927.40 = 146,747,785.20 : x
  2. Step 2: Convert to fraction form
    290,274,082.80/434,813,927.40 = 146,747,785.20/x
  3. Step 3: Cross multiply
    290,274,082.80x = 434,813,927.40 × 146,747,785.20
  4. Step 4: Simplify right side
    290,274,082.80x = 63,807,980,820,063,584
  5. Step 5: Solve for x
    x = 63,807,980,820,063,584/290,274,082.80
  6. Step 6: Final answer
    x = 219,819,765.53

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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.