Home / 281,234,562.40-421,515,920.40-144,849,743.20

Finding the Fourth Proportional to 281,234,562.40, 421,515,920.40 and 144,849,743.20

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Solution

The fourth proportional to 281,234,562.40, 421,515,920.40 and 144,849,743.20 is: 217,101,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,234,562.40 : 421,515,920.40 = 144,849,743.20 : x
  2. Step 2: Convert to fraction form
    281,234,562.40/421,515,920.40 = 144,849,743.20/x
  3. Step 3: Cross multiply
    281,234,562.40x = 421,515,920.40 × 144,849,743.20
  4. Step 4: Simplify right side
    281,234,562.40x = 61,056,472,824,651,632
  5. Step 5: Solve for x
    x = 61,056,472,824,651,632/281,234,562.40
  6. Step 6: Final answer
    x = 217,101,597.70

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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.