Home / 157,234,446.05-216,993,243.40-86,669,897.11

Finding the Fourth Proportional to 157,234,446.05, 216,993,243.40 and 86,669,897.11

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Solution

The fourth proportional to 157,234,446.05, 216,993,243.40 and 86,669,897.11 is: 119,609,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,234,446.05 : 216,993,243.40 = 86,669,897.11 : x
  2. Step 2: Convert to fraction form
    157,234,446.05/216,993,243.40 = 86,669,897.11/x
  3. Step 3: Cross multiply
    157,234,446.05x = 216,993,243.40 × 86,669,897.11
  4. Step 4: Simplify right side
    157,234,446.05x = 18,806,782,078,284,028
  5. Step 5: Solve for x
    x = 18,806,782,078,284,028/157,234,446.05
  6. Step 6: Final answer
    x = 119,609,809.12

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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.