Home / 121,442,223.57-182,163,866.45-38,444,381.28

Finding the Fourth Proportional to 121,442,223.57, 182,163,866.45 and 38,444,381.28

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Solution

The fourth proportional to 121,442,223.57, 182,163,866.45 and 38,444,381.28 is: 57,666,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,442,223.57 : 182,163,866.45 = 38,444,381.28 : x
  2. Step 2: Convert to fraction form
    121,442,223.57/182,163,866.45 = 38,444,381.28/x
  3. Step 3: Cross multiply
    121,442,223.57x = 182,163,866.45 × 38,444,381.28
  4. Step 4: Simplify right side
    121,442,223.57x = 7,003,177,138,135,877
  5. Step 5: Solve for x
    x = 7,003,177,138,135,877/121,442,223.57
  6. Step 6: Final answer
    x = 57,666,740.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.