Home / 71,496,328.71-98,662,028.34-40,555,833.69

Finding the Fourth Proportional to 71,496,328.71, 98,662,028.34 and 40,555,833.69

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Solution

The fourth proportional to 71,496,328.71, 98,662,028.34 and 40,555,833.69 is: 55,965,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,496,328.71 : 98,662,028.34 = 40,555,833.69 : x
  2. Step 2: Convert to fraction form
    71,496,328.71/98,662,028.34 = 40,555,833.69/x
  3. Step 3: Cross multiply
    71,496,328.71x = 98,662,028.34 × 40,555,833.69
  4. Step 4: Simplify right side
    71,496,328.71x = 4,001,320,812,875,106.50
  5. Step 5: Solve for x
    x = 4,001,320,812,875,106.50/71,496,328.71
  6. Step 6: Final answer
    x = 55,965,402.49

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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.