Home / 118,429,793.60-177,943,288.80-75,319,649.60

Finding the Fourth Proportional to 118,429,793.60, 177,943,288.80 and 75,319,649.60

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Solution

The fourth proportional to 118,429,793.60, 177,943,288.80 and 75,319,649.60 is: 113,169,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,429,793.60 : 177,943,288.80 = 75,319,649.60 : x
  2. Step 2: Convert to fraction form
    118,429,793.60/177,943,288.80 = 75,319,649.60/x
  3. Step 3: Cross multiply
    118,429,793.60x = 177,943,288.80 × 75,319,649.60
  4. Step 4: Simplify right side
    118,429,793.60x = 13,402,626,161,087,604
  5. Step 5: Solve for x
    x = 13,402,626,161,087,604/118,429,793.60
  6. Step 6: Final answer
    x = 113,169,378.70

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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.