Home / 151,675,400.01-209,311,981.16-85,609,754.97

Finding the Fourth Proportional to 151,675,400.01, 209,311,981.16 and 85,609,754.97

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Solution

The fourth proportional to 151,675,400.01, 209,311,981.16 and 85,609,754.97 is: 118,141,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,675,400.01 : 209,311,981.16 = 85,609,754.97 : x
  2. Step 2: Convert to fraction form
    151,675,400.01/209,311,981.16 = 85,609,754.97/x
  3. Step 3: Cross multiply
    151,675,400.01x = 209,311,981.16 × 85,609,754.97
  4. Step 4: Simplify right side
    151,675,400.01x = 17,919,147,418,964,808
  5. Step 5: Solve for x
    x = 17,919,147,418,964,808/151,675,400.01
  6. Step 6: Final answer
    x = 118,141,421.86

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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.