Home / 77,702,401.04-107,229,655.90-42,895,377.50

Finding the Fourth Proportional to 77,702,401.04, 107,229,655.90 and 42,895,377.50

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Solution

The fourth proportional to 77,702,401.04, 107,229,655.90 and 42,895,377.50 is: 59,195,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,702,401.04 : 107,229,655.90 = 42,895,377.50 : x
  2. Step 2: Convert to fraction form
    77,702,401.04/107,229,655.90 = 42,895,377.50/x
  3. Step 3: Cross multiply
    77,702,401.04x = 107,229,655.90 × 42,895,377.50
  4. Step 4: Simplify right side
    77,702,401.04x = 4,599,656,569,025,603
  5. Step 5: Solve for x
    x = 4,599,656,569,025,603/77,702,401.04
  6. Step 6: Final answer
    x = 59,195,810.01

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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.