Home / 266,059,547.40-398,790,722.70-112,679,502.60

Finding the Fourth Proportional to 266,059,547.40, 398,790,722.70 and 112,679,502.60

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Solution

The fourth proportional to 266,059,547.40, 398,790,722.70 and 112,679,502.60 is: 168,892,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,059,547.40 : 398,790,722.70 = 112,679,502.60 : x
  2. Step 2: Convert to fraction form
    266,059,547.40/398,790,722.70 = 112,679,502.60/x
  3. Step 3: Cross multiply
    266,059,547.40x = 398,790,722.70 × 112,679,502.60
  4. Step 4: Simplify right side
    266,059,547.40x = 44,935,540,275,330,528
  5. Step 5: Solve for x
    x = 44,935,540,275,330,528/266,059,547.40
  6. Step 6: Final answer
    x = 168,892,793.79

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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.