Home / 52,225,729.20-78,288,827.40-40,704,807.60

Finding the Fourth Proportional to 52,225,729.20, 78,288,827.40 and 40,704,807.60

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Solution

The fourth proportional to 52,225,729.20, 78,288,827.40 and 40,704,807.60 is: 61,018,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,225,729.20 : 78,288,827.40 = 40,704,807.60 : x
  2. Step 2: Convert to fraction form
    52,225,729.20/78,288,827.40 = 40,704,807.60/x
  3. Step 3: Cross multiply
    52,225,729.20x = 78,288,827.40 × 40,704,807.60
  4. Step 4: Simplify right side
    52,225,729.20x = 3,186,731,656,546,608.50
  5. Step 5: Solve for x
    x = 3,186,731,656,546,608.50/52,225,729.20
  6. Step 6: Final answer
    x = 61,018,423.40

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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.