Home / 52,488,082.70-78,732,124.05-51,637,777.10

Finding the Fourth Proportional to 52,488,082.70, 78,732,124.05 and 51,637,777.10

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Solution

The fourth proportional to 52,488,082.70, 78,732,124.05 and 51,637,777.10 is: 77,456,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,082.70 : 78,732,124.05 = 51,637,777.10 : x
  2. Step 2: Convert to fraction form
    52,488,082.70/78,732,124.05 = 51,637,777.10/x
  3. Step 3: Cross multiply
    52,488,082.70x = 78,732,124.05 × 51,637,777.10
  4. Step 4: Simplify right side
    52,488,082.70x = 4,065,551,872,303,449
  5. Step 5: Solve for x
    x = 4,065,551,872,303,449/52,488,082.70
  6. Step 6: Final answer
    x = 77,456,665.65

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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.