Home / 82,944,057.10-124,416,085.65-42,129,388.30

Finding the Fourth Proportional to 82,944,057.10, 124,416,085.65 and 42,129,388.30

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Solution

The fourth proportional to 82,944,057.10, 124,416,085.65 and 42,129,388.30 is: 63,194,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,057.10 : 124,416,085.65 = 42,129,388.30 : x
  2. Step 2: Convert to fraction form
    82,944,057.10/124,416,085.65 = 42,129,388.30/x
  3. Step 3: Cross multiply
    82,944,057.10x = 124,416,085.65 × 42,129,388.30
  4. Step 4: Simplify right side
    82,944,057.10x = 5,241,573,583,114,908
  5. Step 5: Solve for x
    x = 5,241,573,583,114,908/82,944,057.10
  6. Step 6: Final answer
    x = 63,194,082.45

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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.