Home / 75,289,411.74-112,933,723.74-40,964,013.54

Finding the Fourth Proportional to 75,289,411.74, 112,933,723.74 and 40,964,013.54

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Solution

The fourth proportional to 75,289,411.74, 112,933,723.74 and 40,964,013.54 is: 61,445,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,289,411.74 : 112,933,723.74 = 40,964,013.54 : x
  2. Step 2: Convert to fraction form
    75,289,411.74/112,933,723.74 = 40,964,013.54/x
  3. Step 3: Cross multiply
    75,289,411.74x = 112,933,723.74 × 40,964,013.54
  4. Step 4: Simplify right side
    75,289,411.74x = 4,626,218,588,407,979
  5. Step 5: Solve for x
    x = 4,626,218,588,407,979/75,289,411.74
  6. Step 6: Final answer
    x = 61,445,806.01

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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.