Home / 281,304,236.16-421,276,057.92-243,210,545.28

Finding the Fourth Proportional to 281,304,236.16, 421,276,057.92 and 243,210,545.28

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Solution

The fourth proportional to 281,304,236.16, 421,276,057.92 and 243,210,545.28 is: 364,227,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,304,236.16 : 421,276,057.92 = 243,210,545.28 : x
  2. Step 2: Convert to fraction form
    281,304,236.16/421,276,057.92 = 243,210,545.28/x
  3. Step 3: Cross multiply
    281,304,236.16x = 421,276,057.92 × 243,210,545.28
  4. Step 4: Simplify right side
    281,304,236.16x = 102,458,779,760,132,064
  5. Step 5: Solve for x
    x = 102,458,779,760,132,064/281,304,236.16
  6. Step 6: Final answer
    x = 364,227,646.05

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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.