Home / 38,720,123.60-58,080,185.40-25,946,747.60

Finding the Fourth Proportional to 38,720,123.60, 58,080,185.40 and 25,946,747.60

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Solution

The fourth proportional to 38,720,123.60, 58,080,185.40 and 25,946,747.60 is: 38,920,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720,123.60 : 58,080,185.40 = 25,946,747.60 : x
  2. Step 2: Convert to fraction form
    38,720,123.60/58,080,185.40 = 25,946,747.60/x
  3. Step 3: Cross multiply
    38,720,123.60x = 58,080,185.40 × 25,946,747.60
  4. Step 4: Simplify right side
    38,720,123.60x = 1,506,991,911,135,005
  5. Step 5: Solve for x
    x = 1,506,991,911,135,005/38,720,123.60
  6. Step 6: Final answer
    x = 38,920,121.40

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1.5x scale

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.