Home / 104,976,014.10-157,464,021.15-72,618,911.70

Finding the Fourth Proportional to 104,976,014.10, 157,464,021.15 and 72,618,911.70

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Solution

The fourth proportional to 104,976,014.10, 157,464,021.15 and 72,618,911.70 is: 108,928,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,014.10 : 157,464,021.15 = 72,618,911.70 : x
  2. Step 2: Convert to fraction form
    104,976,014.10/157,464,021.15 = 72,618,911.70/x
  3. Step 3: Cross multiply
    104,976,014.10x = 157,464,021.15 × 72,618,911.70
  4. Step 4: Simplify right side
    104,976,014.10x = 11,434,865,847,818,784
  5. Step 5: Solve for x
    x = 11,434,865,847,818,784/104,976,014.10
  6. Step 6: Final answer
    x = 108,928,367.55

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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.