Home / 73,396,820.40-101,285,019.60-40,356,838.20

Finding the Fourth Proportional to 73,396,820.40, 101,285,019.60 and 40,356,838.20

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Solution

The fourth proportional to 73,396,820.40, 101,285,019.60 and 40,356,838.20 is: 55,691,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,396,820.40 : 101,285,019.60 = 40,356,838.20 : x
  2. Step 2: Convert to fraction form
    73,396,820.40/101,285,019.60 = 40,356,838.20/x
  3. Step 3: Cross multiply
    73,396,820.40x = 101,285,019.60 × 40,356,838.20
  4. Step 4: Simplify right side
    73,396,820.40x = 4,087,543,148,081,029
  5. Step 5: Solve for x
    x = 4,087,543,148,081,029/73,396,820.40
  6. Step 6: Final answer
    x = 55,691,011.22

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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.