Home / 74,345,685.72-102,574,672.38-44,565,468.18

Finding the Fourth Proportional to 74,345,685.72, 102,574,672.38 and 44,565,468.18

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Solution

The fourth proportional to 74,345,685.72, 102,574,672.38 and 44,565,468.18 is: 61,486,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,345,685.72 : 102,574,672.38 = 44,565,468.18 : x
  2. Step 2: Convert to fraction form
    74,345,685.72/102,574,672.38 = 44,565,468.18/x
  3. Step 3: Cross multiply
    74,345,685.72x = 102,574,672.38 × 44,565,468.18
  4. Step 4: Simplify right side
    74,345,685.72x = 4,571,288,298,024,815
  5. Step 5: Solve for x
    x = 4,571,288,298,024,815/74,345,685.72
  6. Step 6: Final answer
    x = 61,486,934.36

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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.