Home / 159,851,476.35-239,872,872.42-68,975,065.35

Finding the Fourth Proportional to 159,851,476.35, 239,872,872.42 and 68,975,065.35

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Solution

The fourth proportional to 159,851,476.35, 239,872,872.42 and 68,975,065.35 is: 103,503,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,851,476.35 : 239,872,872.42 = 68,975,065.35 : x
  2. Step 2: Convert to fraction form
    159,851,476.35/239,872,872.42 = 68,975,065.35/x
  3. Step 3: Cross multiply
    159,851,476.35x = 239,872,872.42 × 68,975,065.35
  4. Step 4: Simplify right side
    159,851,476.35x = 16,545,247,050,861,710
  5. Step 5: Solve for x
    x = 16,545,247,050,861,710/159,851,476.35
  6. Step 6: Final answer
    x = 103,503,873.90

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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.