Home / 157,464,010.80-236,196,016.20-124,939,821.60

Finding the Fourth Proportional to 157,464,010.80, 236,196,016.20 and 124,939,821.60

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Solution

The fourth proportional to 157,464,010.80, 236,196,016.20 and 124,939,821.60 is: 187,409,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,010.80 : 236,196,016.20 = 124,939,821.60 : x
  2. Step 2: Convert to fraction form
    157,464,010.80/236,196,016.20 = 124,939,821.60/x
  3. Step 3: Cross multiply
    157,464,010.80x = 236,196,016.20 × 124,939,821.60
  4. Step 4: Simplify right side
    157,464,010.80x = 29,510,288,126,658,708
  5. Step 5: Solve for x
    x = 29,510,288,126,658,708/157,464,010.80
  6. Step 6: Final answer
    x = 187,409,732.40

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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.