Home / 223,128,010.80-334,692,016.20-155,103,562.80

Finding the Fourth Proportional to 223,128,010.80, 334,692,016.20 and 155,103,562.80

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Solution

The fourth proportional to 223,128,010.80, 334,692,016.20 and 155,103,562.80 is: 232,655,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,128,010.80 : 334,692,016.20 = 155,103,562.80 : x
  2. Step 2: Convert to fraction form
    223,128,010.80/334,692,016.20 = 155,103,562.80/x
  3. Step 3: Cross multiply
    223,128,010.80x = 334,692,016.20 × 155,103,562.80
  4. Step 4: Simplify right side
    223,128,010.80x = 51,911,924,153,335,320
  5. Step 5: Solve for x
    x = 51,911,924,153,335,320/223,128,010.80
  6. Step 6: Final answer
    x = 232,655,344.20

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1.5x scale

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.