Home / 30,683,900.86-42,344,680.91-16,746,149.92

Finding the Fourth Proportional to 30,683,900.86, 42,344,680.91 and 16,746,149.92

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Solution

The fourth proportional to 30,683,900.86, 42,344,680.91 and 16,746,149.92 is: 23,110,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683,900.86 : 42,344,680.91 = 16,746,149.92 : x
  2. Step 2: Convert to fraction form
    30,683,900.86/42,344,680.91 = 16,746,149.92/x
  3. Step 3: Cross multiply
    30,683,900.86x = 42,344,680.91 × 16,746,149.92
  4. Step 4: Simplify right side
    30,683,900.86x = 709,110,374,643,829.62
  5. Step 5: Solve for x
    x = 709,110,374,643,829.62/30,683,900.86
  6. Step 6: Final answer
    x = 23,110,176.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.