Home / 57,222,931.76-79,175,590.18-49,896,044.36

Finding the Fourth Proportional to 57,222,931.76, 79,175,590.18 and 49,896,044.36

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Solution

The fourth proportional to 57,222,931.76, 79,175,590.18 and 49,896,044.36 is: 69,037,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,222,931.76 : 79,175,590.18 = 49,896,044.36 : x
  2. Step 2: Convert to fraction form
    57,222,931.76/79,175,590.18 = 49,896,044.36/x
  3. Step 3: Cross multiply
    57,222,931.76x = 79,175,590.18 × 49,896,044.36
  4. Step 4: Simplify right side
    57,222,931.76x = 3,950,548,759,923,658.50
  5. Step 5: Solve for x
    x = 3,950,548,759,923,658.50/57,222,931.76
  6. Step 6: Final answer
    x = 69,037,860.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.