Home / 187,697,473.28-281,708,299.36-130,230,100.72

Finding the Fourth Proportional to 187,697,473.28, 281,708,299.36 and 130,230,100.72

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Solution

The fourth proportional to 187,697,473.28, 281,708,299.36 and 130,230,100.72 is: 195,457,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,697,473.28 : 281,708,299.36 = 130,230,100.72 : x
  2. Step 2: Convert to fraction form
    187,697,473.28/281,708,299.36 = 130,230,100.72/x
  3. Step 3: Cross multiply
    187,697,473.28x = 281,708,299.36 × 130,230,100.72
  4. Step 4: Simplify right side
    187,697,473.28x = 36,686,900,199,312,712
  5. Step 5: Solve for x
    x = 36,686,900,199,312,712/187,697,473.28
  6. Step 6: Final answer
    x = 195,457,613.56

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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.