Home / 199,679,438.85-299,551,343.18-61,504,981.76

Finding the Fourth Proportional to 199,679,438.85, 299,551,343.18 and 61,504,981.76

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Solution

The fourth proportional to 199,679,438.85, 299,551,343.18 and 61,504,981.76 is: 92,267,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,679,438.85 : 299,551,343.18 = 61,504,981.76 : x
  2. Step 2: Convert to fraction form
    199,679,438.85/299,551,343.18 = 61,504,981.76/x
  3. Step 3: Cross multiply
    199,679,438.85x = 299,551,343.18 × 61,504,981.76
  4. Step 4: Simplify right side
    199,679,438.85x = 18,423,899,896,664,120
  5. Step 5: Solve for x
    x = 18,423,899,896,664,120/199,679,438.85
  6. Step 6: Final answer
    x = 92,267,386.18

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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.