Home / 78,598,875.06-117,747,207.14-43,950,187.42

Finding the Fourth Proportional to 78,598,875.06, 117,747,207.14 and 43,950,187.42

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Solution

The fourth proportional to 78,598,875.06, 117,747,207.14 and 43,950,187.42 is: 65,840,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,598,875.06 : 117,747,207.14 = 43,950,187.42 : x
  2. Step 2: Convert to fraction form
    78,598,875.06/117,747,207.14 = 43,950,187.42/x
  3. Step 3: Cross multiply
    78,598,875.06x = 117,747,207.14 × 43,950,187.42
  4. Step 4: Simplify right side
    78,598,875.06x = 5,175,011,821,470,443
  5. Step 5: Solve for x
    x = 5,175,011,821,470,443/78,598,875.06
  6. Step 6: Final answer
    x = 65,840,787.38

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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.