Home / 77,702,399.04-107,229,653.14-42,895,375.50

Finding the Fourth Proportional to 77,702,399.04, 107,229,653.14 and 42,895,375.50

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Solution

The fourth proportional to 77,702,399.04, 107,229,653.14 and 42,895,375.50 is: 59,195,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,702,399.04 : 107,229,653.14 = 42,895,375.50 : x
  2. Step 2: Convert to fraction form
    77,702,399.04/107,229,653.14 = 42,895,375.50/x
  3. Step 3: Cross multiply
    77,702,399.04x = 107,229,653.14 × 42,895,375.50
  4. Step 4: Simplify right side
    77,702,399.04x = 4,599,656,236,175,054
  5. Step 5: Solve for x
    x = 4,599,656,236,175,054/77,702,399.04
  6. Step 6: Final answer
    x = 59,195,807.25

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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.