Home / 285,053,576.80-427,407,154.80-112,331,315.20

Finding the Fourth Proportional to 285,053,576.80, 427,407,154.80 and 112,331,315.20

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Solution

The fourth proportional to 285,053,576.80, 427,407,154.80 and 112,331,315.20 is: 168,428,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,053,576.80 : 427,407,154.80 = 112,331,315.20 : x
  2. Step 2: Convert to fraction form
    285,053,576.80/427,407,154.80 = 112,331,315.20/x
  3. Step 3: Cross multiply
    285,053,576.80x = 427,407,154.80 × 112,331,315.20
  4. Step 4: Simplify right side
    285,053,576.80x = 48,011,207,824,573,992
  5. Step 5: Solve for x
    x = 48,011,207,824,573,992/285,053,576.80
  6. Step 6: Final answer
    x = 168,428,715.62

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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.