Home / 53,915,988.66-80,945,728.96-28,374,934.20

Finding the Fourth Proportional to 53,915,988.66, 80,945,728.96 and 28,374,934.20

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Solution

The fourth proportional to 53,915,988.66, 80,945,728.96 and 28,374,934.20 is: 42,600,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,915,988.66 : 80,945,728.96 = 28,374,934.20 : x
  2. Step 2: Convert to fraction form
    53,915,988.66/80,945,728.96 = 28,374,934.20/x
  3. Step 3: Cross multiply
    53,915,988.66x = 80,945,728.96 × 28,374,934.20
  4. Step 4: Simplify right side
    53,915,988.66x = 2,296,829,733,011,034
  5. Step 5: Solve for x
    x = 2,296,829,733,011,034/53,915,988.66
  6. Step 6: Final answer
    x = 42,600,159.81

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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.