Home / 90,402,524.66-124,782,034.34-59,045,367.40

Finding the Fourth Proportional to 90,402,524.66, 124,782,034.34 and 59,045,367.40

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Solution

The fourth proportional to 90,402,524.66, 124,782,034.34 and 59,045,367.40 is: 81,499,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,402,524.66 : 124,782,034.34 = 59,045,367.40 : x
  2. Step 2: Convert to fraction form
    90,402,524.66/124,782,034.34 = 59,045,367.40/x
  3. Step 3: Cross multiply
    90,402,524.66x = 124,782,034.34 × 59,045,367.40
  4. Step 4: Simplify right side
    90,402,524.66x = 7,367,801,062,524,717
  5. Step 5: Solve for x
    x = 7,367,801,062,524,717/90,402,524.66
  6. Step 6: Final answer
    x = 81,499,948.04

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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.