Home / 77,666,773.26-107,178,171.39-42,859,008.30

Finding the Fourth Proportional to 77,666,773.26, 107,178,171.39 and 42,859,008.30

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Solution

The fourth proportional to 77,666,773.26, 107,178,171.39 and 42,859,008.30 is: 59,144,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,666,773.26 : 107,178,171.39 = 42,859,008.30 : x
  2. Step 2: Convert to fraction form
    77,666,773.26/107,178,171.39 = 42,859,008.30/x
  3. Step 3: Cross multiply
    77,666,773.26x = 107,178,171.39 × 42,859,008.30
  4. Step 4: Simplify right side
    77,666,773.26x = 4,593,550,137,182,832
  5. Step 5: Solve for x
    x = 4,593,550,137,182,832/77,666,773.26
  6. Step 6: Final answer
    x = 59,144,341.19

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1.5x scale

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.