Home / 77,916,428,581.45-116,892,266,174.52-42,060,416,028.90

Finding the Fourth Proportional to 77,916,428,581.45, 116,892,266,174.52 and 42,060,416,028.90

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Solution

The fourth proportional to 77,916,428,581.45, 116,892,266,174.52 and 42,060,416,028.90 is: 63,100,137,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,916,428,581.45 : 116,892,266,174.52 = 42,060,416,028.90 : x
  2. Step 2: Convert to fraction form
    77,916,428,581.45/116,892,266,174.52 = 42,060,416,028.90/x
  3. Step 3: Cross multiply
    77,916,428,581.45x = 116,892,266,174.52 × 42,060,416,028.90
  4. Step 4: Simplify right side
    77,916,428,581.45x = 4,916,537,345,861,226,594,304
  5. Step 5: Solve for x
    x = 4,916,537,345,861,226,594,304/77,916,428,581.45
  6. Step 6: Final answer
    x = 63,100,137,357.06

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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.