Home / 206,625,715.16-285,148,889.46-112,543,430.06

Finding the Fourth Proportional to 206,625,715.16, 285,148,889.46 and 112,543,430.06

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Solution

The fourth proportional to 206,625,715.16, 285,148,889.46 and 112,543,430.06 is: 155,312,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,625,715.16 : 285,148,889.46 = 112,543,430.06 : x
  2. Step 2: Convert to fraction form
    206,625,715.16/285,148,889.46 = 112,543,430.06/x
  3. Step 3: Cross multiply
    206,625,715.16x = 285,148,889.46 × 112,543,430.06
  4. Step 4: Simplify right side
    206,625,715.16x = 32,091,634,098,341,052
  5. Step 5: Solve for x
    x = 32,091,634,098,341,052/206,625,715.16
  6. Step 6: Final answer
    x = 155,312,876.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.