Home / 153,375,985.20-230,063,977.80-119,111,818.80

Finding the Fourth Proportional to 153,375,985.20, 230,063,977.80 and 119,111,818.80

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Solution

The fourth proportional to 153,375,985.20, 230,063,977.80 and 119,111,818.80 is: 178,667,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,375,985.20 : 230,063,977.80 = 119,111,818.80 : x
  2. Step 2: Convert to fraction form
    153,375,985.20/230,063,977.80 = 119,111,818.80/x
  3. Step 3: Cross multiply
    153,375,985.20x = 230,063,977.80 × 119,111,818.80
  4. Step 4: Simplify right side
    153,375,985.20x = 27,403,338,836,120,824
  5. Step 5: Solve for x
    x = 27,403,338,836,120,824/153,375,985.20
  6. Step 6: Final answer
    x = 178,667,728.20

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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.