Home / 42,311,750.72-63,466,459.68-28,446,987.20

Finding the Fourth Proportional to 42,311,750.72, 63,466,459.68 and 28,446,987.20

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Solution

The fourth proportional to 42,311,750.72, 63,466,459.68 and 28,446,987.20 is: 42,669,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,311,750.72 : 63,466,459.68 = 28,446,987.20 : x
  2. Step 2: Convert to fraction form
    42,311,750.72/63,466,459.68 = 28,446,987.20/x
  3. Step 3: Cross multiply
    42,311,750.72x = 63,466,459.68 × 28,446,987.20
  4. Step 4: Simplify right side
    42,311,750.72x = 1,805,429,566,146,276
  5. Step 5: Solve for x
    x = 1,805,429,566,146,276/42,311,750.72
  6. Step 6: Final answer
    x = 42,669,696.61

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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.