Home / 193,104,025.20-289,656,037.80-47,536,430.40

Finding the Fourth Proportional to 193,104,025.20, 289,656,037.80 and 47,536,430.40

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Solution

The fourth proportional to 193,104,025.20, 289,656,037.80 and 47,536,430.40 is: 71,304,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,104,025.20 : 289,656,037.80 = 47,536,430.40 : x
  2. Step 2: Convert to fraction form
    193,104,025.20/289,656,037.80 = 47,536,430.40/x
  3. Step 3: Cross multiply
    193,104,025.20x = 289,656,037.80 × 47,536,430.40
  4. Step 4: Simplify right side
    193,104,025.20x = 13,769,214,080,819,470
  5. Step 5: Solve for x
    x = 13,769,214,080,819,470/193,104,025.20
  6. Step 6: Final answer
    x = 71,304,645.60

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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.