Home / 80,637,574.16-120,922,730.04-25,291,149.68

Finding the Fourth Proportional to 80,637,574.16, 120,922,730.04 and 25,291,149.68

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Solution

The fourth proportional to 80,637,574.16, 120,922,730.04 and 25,291,149.68 is: 37,926,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637,574.16 : 120,922,730.04 = 25,291,149.68 : x
  2. Step 2: Convert to fraction form
    80,637,574.16/120,922,730.04 = 25,291,149.68/x
  3. Step 3: Cross multiply
    80,637,574.16x = 120,922,730.04 × 25,291,149.68
  4. Step 4: Simplify right side
    80,637,574.16x = 3,058,274,865,155,872.50
  5. Step 5: Solve for x
    x = 3,058,274,865,155,872.50/80,637,574.16
  6. Step 6: Final answer
    x = 37,926,176.44

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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.