Home / 70,290,720.79-105,510,614.15-62,255,857.75

Finding the Fourth Proportional to 70,290,720.79, 105,510,614.15 and 62,255,857.75

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Solution

The fourth proportional to 70,290,720.79, 105,510,614.15 and 62,255,857.75 is: 93,449,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,290,720.79 : 105,510,614.15 = 62,255,857.75 : x
  2. Step 2: Convert to fraction form
    70,290,720.79/105,510,614.15 = 62,255,857.75/x
  3. Step 3: Cross multiply
    70,290,720.79x = 105,510,614.15 × 62,255,857.75
  4. Step 4: Simplify right side
    70,290,720.79x = 6,568,653,785,637,538
  5. Step 5: Solve for x
    x = 6,568,653,785,637,538/70,290,720.79
  6. Step 6: Final answer
    x = 93,449,799.80

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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.