Home / 47,258,909.10-70,746,646.05-28,079,793.90

Finding the Fourth Proportional to 47,258,909.10, 70,746,646.05 and 28,079,793.90

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Solution

The fourth proportional to 47,258,909.10, 70,746,646.05 and 28,079,793.90 is: 42,035,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,258,909.10 : 70,746,646.05 = 28,079,793.90 : x
  2. Step 2: Convert to fraction form
    47,258,909.10/70,746,646.05 = 28,079,793.90/x
  3. Step 3: Cross multiply
    47,258,909.10x = 70,746,646.05 × 28,079,793.90
  4. Step 4: Simplify right side
    47,258,909.10x = 1,986,551,240,200,249
  5. Step 5: Solve for x
    x = 1,986,551,240,200,249/47,258,909.10
  6. Step 6: Final answer
    x = 42,035,486.60

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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.