Home / 112,889,028.83-155,853,650.68-71,108,907.18

Finding the Fourth Proportional to 112,889,028.83, 155,853,650.68 and 71,108,907.18

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Solution

The fourth proportional to 112,889,028.83, 155,853,650.68 and 71,108,907.18 is: 98,172,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,889,028.83 : 155,853,650.68 = 71,108,907.18 : x
  2. Step 2: Convert to fraction form
    112,889,028.83/155,853,650.68 = 71,108,907.18/x
  3. Step 3: Cross multiply
    112,889,028.83x = 155,853,650.68 × 71,108,907.18
  4. Step 4: Simplify right side
    112,889,028.83x = 11,082,582,779,406,118
  5. Step 5: Solve for x
    x = 11,082,582,779,406,118/112,889,028.83
  6. Step 6: Final answer
    x = 98,172,363.55

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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.