Home / 161,946,418.05-223,485,380.01-87,606,793.71

Finding the Fourth Proportional to 161,946,418.05, 223,485,380.01 and 87,606,793.71

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Solution

The fourth proportional to 161,946,418.05, 223,485,380.01 and 87,606,793.71 is: 120,897,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,946,418.05 : 223,485,380.01 = 87,606,793.71 : x
  2. Step 2: Convert to fraction form
    161,946,418.05/223,485,380.01 = 87,606,793.71/x
  3. Step 3: Cross multiply
    161,946,418.05x = 223,485,380.01 × 87,606,793.71
  4. Step 4: Simplify right side
    161,946,418.05x = 19,578,837,583,737,024
  5. Step 5: Solve for x
    x = 19,578,837,583,737,024/161,946,418.05
  6. Step 6: Final answer
    x = 120,897,009.14

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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.