Home / 74,025,902.20-102,158,937.98-40,986,152.06

Finding the Fourth Proportional to 74,025,902.20, 102,158,937.98 and 40,986,152.06

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Solution

The fourth proportional to 74,025,902.20, 102,158,937.98 and 40,986,152.06 is: 56,562,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,025,902.20 : 102,158,937.98 = 40,986,152.06 : x
  2. Step 2: Convert to fraction form
    74,025,902.20/102,158,937.98 = 40,986,152.06/x
  3. Step 3: Cross multiply
    74,025,902.20x = 102,158,937.98 × 40,986,152.06
  4. Step 4: Simplify right side
    74,025,902.20x = 4,187,101,766,336,389.50
  5. Step 5: Solve for x
    x = 4,187,101,766,336,389.50/74,025,902.20
  6. Step 6: Final answer
    x = 56,562,657.69

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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.