Home / 57,672,021.90-86,508,032.85-55,656,482.70

Finding the Fourth Proportional to 57,672,021.90, 86,508,032.85 and 55,656,482.70

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Solution

The fourth proportional to 57,672,021.90, 86,508,032.85 and 55,656,482.70 is: 83,484,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672,021.90 : 86,508,032.85 = 55,656,482.70 : x
  2. Step 2: Convert to fraction form
    57,672,021.90/86,508,032.85 = 55,656,482.70/x
  3. Step 3: Cross multiply
    57,672,021.90x = 86,508,032.85 × 55,656,482.70
  4. Step 4: Simplify right side
    57,672,021.90x = 4,814,732,833,727,057
  5. Step 5: Solve for x
    x = 4,814,732,833,727,057/57,672,021.90
  6. Step 6: Final answer
    x = 83,484,724.05

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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.