Home / 75,008,263.20-112,335,447.60-46,342,816.80

Finding the Fourth Proportional to 75,008,263.20, 112,335,447.60 and 46,342,816.80

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Solution

The fourth proportional to 75,008,263.20, 112,335,447.60 and 46,342,816.80 is: 69,404,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,008,263.20 : 112,335,447.60 = 46,342,816.80 : x
  2. Step 2: Convert to fraction form
    75,008,263.20/112,335,447.60 = 46,342,816.80/x
  3. Step 3: Cross multiply
    75,008,263.20x = 112,335,447.60 × 46,342,816.80
  4. Step 4: Simplify right side
    75,008,263.20x = 5,205,941,068,272,799
  5. Step 5: Solve for x
    x = 5,205,941,068,272,799/75,008,263.20
  6. Step 6: Final answer
    x = 69,404,900.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.