Home / 52,488,099.20-78,732,148.80-48,342,859.40

Finding the Fourth Proportional to 52,488,099.20, 78,732,148.80 and 48,342,859.40

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Solution

The fourth proportional to 52,488,099.20, 78,732,148.80 and 48,342,859.40 is: 72,514,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,099.20 : 78,732,148.80 = 48,342,859.40 : x
  2. Step 2: Convert to fraction form
    52,488,099.20/78,732,148.80 = 48,342,859.40/x
  3. Step 3: Cross multiply
    52,488,099.20x = 78,732,148.80 × 48,342,859.40
  4. Step 4: Simplify right side
    52,488,099.20x = 3,806,137,199,698,278.50
  5. Step 5: Solve for x
    x = 3,806,137,199,698,278.50/52,488,099.20
  6. Step 6: Final answer
    x = 72,514,289.10

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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.