Home / 187,697,478.28-281,708,306.88-130,230,105.72

Finding the Fourth Proportional to 187,697,478.28, 281,708,306.88 and 130,230,105.72

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Solution

The fourth proportional to 187,697,478.28, 281,708,306.88 and 130,230,105.72 is: 195,457,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,697,478.28 : 281,708,306.88 = 130,230,105.72 : x
  2. Step 2: Convert to fraction form
    187,697,478.28/281,708,306.88 = 130,230,105.72/x
  3. Step 3: Cross multiply
    187,697,478.28x = 281,708,306.88 × 130,230,105.72
  4. Step 4: Simplify right side
    187,697,478.28x = 36,686,902,587,184,600
  5. Step 5: Solve for x
    x = 36,686,902,587,184,600/187,697,478.28
  6. Step 6: Final answer
    x = 195,457,621.08

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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.