Home / 47,258,863.79-65,229,366.35-30,780,052.07

Finding the Fourth Proportional to 47,258,863.79, 65,229,366.35 and 30,780,052.07

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Solution

The fourth proportional to 47,258,863.79, 65,229,366.35 and 30,780,052.07 is: 42,484,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,258,863.79 : 65,229,366.35 = 30,780,052.07 : x
  2. Step 2: Convert to fraction form
    47,258,863.79/65,229,366.35 = 30,780,052.07/x
  3. Step 3: Cross multiply
    47,258,863.79x = 65,229,366.35 × 30,780,052.07
  4. Step 4: Simplify right side
    47,258,863.79x = 2,007,763,292,496,909.25
  5. Step 5: Solve for x
    x = 2,007,763,292,496,909.25/47,258,863.79
  6. Step 6: Final answer
    x = 42,484,375.03

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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.