Home / 71,371,514.93-98,492,690.60-40,431,684.21

Finding the Fourth Proportional to 71,371,514.93, 98,492,690.60 and 40,431,684.21

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Solution

The fourth proportional to 71,371,514.93, 98,492,690.60 and 40,431,684.21 is: 55,795,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371,514.93 : 98,492,690.60 = 40,431,684.21 : x
  2. Step 2: Convert to fraction form
    71,371,514.93/98,492,690.60 = 40,431,684.21/x
  3. Step 3: Cross multiply
    71,371,514.93x = 98,492,690.60 × 40,431,684.21
  4. Step 4: Simplify right side
    71,371,514.93x = 3,982,225,363,332,435.50
  5. Step 5: Solve for x
    x = 3,982,225,363,332,435.50/71,371,514.93
  6. Step 6: Final answer
    x = 55,795,724.21

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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.