Home / 75,488,273.20-113,232,409.80-45,180,535.60

Finding the Fourth Proportional to 75,488,273.20, 113,232,409.80 and 45,180,535.60

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Solution

The fourth proportional to 75,488,273.20, 113,232,409.80 and 45,180,535.60 is: 67,770,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,488,273.20 : 113,232,409.80 = 45,180,535.60 : x
  2. Step 2: Convert to fraction form
    75,488,273.20/113,232,409.80 = 45,180,535.60/x
  3. Step 3: Cross multiply
    75,488,273.20x = 113,232,409.80 × 45,180,535.60
  4. Step 4: Simplify right side
    75,488,273.20x = 5,115,900,922,042,689
  5. Step 5: Solve for x
    x = 5,115,900,922,042,689/75,488,273.20
  6. Step 6: Final answer
    x = 67,770,803.40

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1.5x scale

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.