Home / 161,336,468.70-242,004,703.05-40,167,920.70

Finding the Fourth Proportional to 161,336,468.70, 242,004,703.05 and 40,167,920.70

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Solution

The fourth proportional to 161,336,468.70, 242,004,703.05 and 40,167,920.70 is: 60,251,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,336,468.70 : 242,004,703.05 = 40,167,920.70 : x
  2. Step 2: Convert to fraction form
    161,336,468.70/242,004,703.05 = 40,167,920.70/x
  3. Step 3: Cross multiply
    161,336,468.70x = 242,004,703.05 × 40,167,920.70
  4. Step 4: Simplify right side
    161,336,468.70x = 9,720,825,721,139,450
  5. Step 5: Solve for x
    x = 9,720,825,721,139,450/161,336,468.70
  6. Step 6: Final answer
    x = 60,251,881.05

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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.