Home / 161,884,901.66-242,707,679.73-84,050,052.86

Finding the Fourth Proportional to 161,884,901.66, 242,707,679.73 and 84,050,052.86

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Solution

The fourth proportional to 161,884,901.66, 242,707,679.73 and 84,050,052.86 is: 126,012,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,884,901.66 : 242,707,679.73 = 84,050,052.86 : x
  2. Step 2: Convert to fraction form
    161,884,901.66/242,707,679.73 = 84,050,052.86/x
  3. Step 3: Cross multiply
    161,884,901.66x = 242,707,679.73 × 84,050,052.86
  4. Step 4: Simplify right side
    161,884,901.66x = 20,399,593,310,834,448
  5. Step 5: Solve for x
    x = 20,399,593,310,834,448/161,884,901.66
  6. Step 6: Final answer
    x = 126,012,945.63

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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.