Home / 52,499,711.40-78,749,567.10-48,342,661.80

Finding the Fourth Proportional to 52,499,711.40, 78,749,567.10 and 48,342,661.80

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Solution

The fourth proportional to 52,499,711.40, 78,749,567.10 and 48,342,661.80 is: 72,513,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,499,711.40 : 78,749,567.10 = 48,342,661.80 : x
  2. Step 2: Convert to fraction form
    52,499,711.40/78,749,567.10 = 48,342,661.80/x
  3. Step 3: Cross multiply
    52,499,711.40x = 78,749,567.10 × 48,342,661.80
  4. Step 4: Simplify right side
    52,499,711.40x = 3,806,963,689,211,706.50
  5. Step 5: Solve for x
    x = 3,806,963,689,211,706.50/52,499,711.40
  6. Step 6: Final answer
    x = 72,513,992.70

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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.