Home / 104,976,133.90-157,464,200.85-72,239,368.30

Finding the Fourth Proportional to 104,976,133.90, 157,464,200.85 and 72,239,368.30

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Solution

The fourth proportional to 104,976,133.90, 157,464,200.85 and 72,239,368.30 is: 108,359,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,133.90 : 157,464,200.85 = 72,239,368.30 : x
  2. Step 2: Convert to fraction form
    104,976,133.90/157,464,200.85 = 72,239,368.30/x
  3. Step 3: Cross multiply
    104,976,133.90x = 157,464,200.85 × 72,239,368.30
  4. Step 4: Simplify right side
    104,976,133.90x = 11,375,114,399,268,322
  5. Step 5: Solve for x
    x = 11,375,114,399,268,322/104,976,133.90
  6. Step 6: Final answer
    x = 108,359,052.45

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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.