Home / 118,429,406.60-177,942,708.30-75,319,262.60

Finding the Fourth Proportional to 118,429,406.60, 177,942,708.30 and 75,319,262.60

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Solution

The fourth proportional to 118,429,406.60, 177,942,708.30 and 75,319,262.60 is: 113,168,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,429,406.60 : 177,942,708.30 = 75,319,262.60 : x
  2. Step 2: Convert to fraction form
    118,429,406.60/177,942,708.30 = 75,319,262.60/x
  3. Step 3: Cross multiply
    118,429,406.60x = 177,942,708.30 × 75,319,262.60
  4. Step 4: Simplify right side
    118,429,406.60x = 13,402,513,574,202,900
  5. Step 5: Solve for x
    x = 13,402,513,574,202,900/118,429,406.60
  6. Step 6: Final answer
    x = 113,168,797.84

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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.