Home / 52,488,081.70-78,732,122.55-51,637,776.10

Finding the Fourth Proportional to 52,488,081.70, 78,732,122.55 and 51,637,776.10

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Solution

The fourth proportional to 52,488,081.70, 78,732,122.55 and 51,637,776.10 is: 77,456,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,081.70 : 78,732,122.55 = 51,637,776.10 : x
  2. Step 2: Convert to fraction form
    52,488,081.70/78,732,122.55 = 51,637,776.10/x
  3. Step 3: Cross multiply
    52,488,081.70x = 78,732,122.55 × 51,637,776.10
  4. Step 4: Simplify right side
    52,488,081.70x = 4,065,551,716,114,661
  5. Step 5: Solve for x
    x = 4,065,551,716,114,661/52,488,081.70
  6. Step 6: Final answer
    x = 77,456,664.15

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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.