Home / 71,110,522.18-98,140,484.57-40,172,684.37

Finding the Fourth Proportional to 71,110,522.18, 98,140,484.57 and 40,172,684.37

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Solution

The fourth proportional to 71,110,522.18, 98,140,484.57 and 40,172,684.37 is: 55,442,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,110,522.18 : 98,140,484.57 = 40,172,684.37 : x
  2. Step 2: Convert to fraction form
    71,110,522.18/98,140,484.57 = 40,172,684.37/x
  3. Step 3: Cross multiply
    71,110,522.18x = 98,140,484.57 × 40,172,684.37
  4. Step 4: Simplify right side
    71,110,522.18x = 3,942,566,710,206,506
  5. Step 5: Solve for x
    x = 3,942,566,710,206,506/71,110,522.18
  6. Step 6: Final answer
    x = 55,442,803.53

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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.