Home / 115,911,999.60-173,867,999.40-75,097,330.80

Finding the Fourth Proportional to 115,911,999.60, 173,867,999.40 and 75,097,330.80

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Solution

The fourth proportional to 115,911,999.60, 173,867,999.40 and 75,097,330.80 is: 112,645,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911,999.60 : 173,867,999.40 = 75,097,330.80 : x
  2. Step 2: Convert to fraction form
    115,911,999.60/173,867,999.40 = 75,097,330.80/x
  3. Step 3: Cross multiply
    115,911,999.60x = 173,867,999.40 × 75,097,330.80
  4. Step 4: Simplify right side
    115,911,999.60x = 13,057,022,666,476,002
  5. Step 5: Solve for x
    x = 13,057,022,666,476,002/115,911,999.60
  6. Step 6: Final answer
    x = 112,645,996.20

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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.