Home / 57,478,927.20-86,218,390.80-52,776,002.40

Finding the Fourth Proportional to 57,478,927.20, 86,218,390.80 and 52,776,002.40

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Solution

The fourth proportional to 57,478,927.20, 86,218,390.80 and 52,776,002.40 is: 79,164,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478,927.20 : 86,218,390.80 = 52,776,002.40 : x
  2. Step 2: Convert to fraction form
    57,478,927.20/86,218,390.80 = 52,776,002.40/x
  3. Step 3: Cross multiply
    57,478,927.20x = 86,218,390.80 × 52,776,002.40
  4. Step 4: Simplify right side
    57,478,927.20x = 4,550,261,999,784,938
  5. Step 5: Solve for x
    x = 4,550,261,999,784,938/57,478,927.20
  6. Step 6: Final answer
    x = 79,164,003.60

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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.