Home / 52,488,136.70-78,732,205.05-52,169,272.10

Finding the Fourth Proportional to 52,488,136.70, 78,732,205.05 and 52,169,272.10

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Solution

The fourth proportional to 52,488,136.70, 78,732,205.05 and 52,169,272.10 is: 78,253,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,136.70 : 78,732,205.05 = 52,169,272.10 : x
  2. Step 2: Convert to fraction form
    52,488,136.70/78,732,205.05 = 52,169,272.10/x
  3. Step 3: Cross multiply
    52,488,136.70x = 78,732,205.05 × 52,169,272.10
  4. Step 4: Simplify right side
    52,488,136.70x = 4,107,401,828,286,444
  5. Step 5: Solve for x
    x = 4,107,401,828,286,444/52,488,136.70
  6. Step 6: Final answer
    x = 78,253,908.15

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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.