Home / 126,029,029.60-188,665,630.80-74,884,722.40

Finding the Fourth Proportional to 126,029,029.60, 188,665,630.80 and 74,884,722.40

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Solution

The fourth proportional to 126,029,029.60, 188,665,630.80 and 74,884,722.40 is: 112,102,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,029.60 : 188,665,630.80 = 74,884,722.40 : x
  2. Step 2: Convert to fraction form
    126,029,029.60/188,665,630.80 = 74,884,722.40/x
  3. Step 3: Cross multiply
    126,029,029.60x = 188,665,630.80 × 74,884,722.40
  4. Step 4: Simplify right side
    126,029,029.60x = 14,128,173,388,878,892
  5. Step 5: Solve for x
    x = 14,128,173,388,878,892/126,029,029.60
  6. Step 6: Final answer
    x = 112,102,532.52

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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.