Home / 154,841,674.14-213,679,818.45-85,225,556.70

Finding the Fourth Proportional to 154,841,674.14, 213,679,818.45 and 85,225,556.70

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Solution

The fourth proportional to 154,841,674.14, 213,679,818.45 and 85,225,556.70 is: 117,610,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,841,674.14 : 213,679,818.45 = 85,225,556.70 : x
  2. Step 2: Convert to fraction form
    154,841,674.14/213,679,818.45 = 85,225,556.70/x
  3. Step 3: Cross multiply
    154,841,674.14x = 213,679,818.45 × 85,225,556.70
  4. Step 4: Simplify right side
    154,841,674.14x = 18,210,981,482,956,180
  5. Step 5: Solve for x
    x = 18,210,981,482,956,180/154,841,674.14
  6. Step 6: Final answer
    x = 117,610,337.04

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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.