Home / 152,419,537.08-210,340,439.15-82,805,417.10

Finding the Fourth Proportional to 152,419,537.08, 210,340,439.15 and 82,805,417.10

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Solution

The fourth proportional to 152,419,537.08, 210,340,439.15 and 82,805,417.10 is: 114,272,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,419,537.08 : 210,340,439.15 = 82,805,417.10 : x
  2. Step 2: Convert to fraction form
    152,419,537.08/210,340,439.15 = 82,805,417.10/x
  3. Step 3: Cross multiply
    152,419,537.08x = 210,340,439.15 × 82,805,417.10
  4. Step 4: Simplify right side
    152,419,537.08x = 17,417,327,796,398,892
  5. Step 5: Solve for x
    x = 17,417,327,796,398,892/152,419,537.08
  6. Step 6: Final answer
    x = 114,272,278.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.