Home / 40,278,642.60-60,276,246.30-36,877,420.20

Finding the Fourth Proportional to 40,278,642.60, 60,276,246.30 and 36,877,420.20

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Solution

The fourth proportional to 40,278,642.60, 60,276,246.30 and 36,877,420.20 is: 55,186,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278,642.60 : 60,276,246.30 = 36,877,420.20 : x
  2. Step 2: Convert to fraction form
    40,278,642.60/60,276,246.30 = 36,877,420.20/x
  3. Step 3: Cross multiply
    40,278,642.60x = 60,276,246.30 × 36,877,420.20
  4. Step 4: Simplify right side
    40,278,642.60x = 2,222,832,462,883,795.25
  5. Step 5: Solve for x
    x = 2,222,832,462,883,795.25/40,278,642.60
  6. Step 6: Final answer
    x = 55,186,379.66

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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.