Home / 121,374,007.20-182,061,010.80-120,523,701.60

Finding the Fourth Proportional to 121,374,007.20, 182,061,010.80 and 120,523,701.60

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Solution

The fourth proportional to 121,374,007.20, 182,061,010.80 and 120,523,701.60 is: 180,785,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,374,007.20 : 182,061,010.80 = 120,523,701.60 : x
  2. Step 2: Convert to fraction form
    121,374,007.20/182,061,010.80 = 120,523,701.60/x
  3. Step 3: Cross multiply
    121,374,007.20x = 182,061,010.80 × 120,523,701.60
  4. Step 4: Simplify right side
    121,374,007.20x = 21,942,666,938,653,576
  5. Step 5: Solve for x
    x = 21,942,666,938,653,576/121,374,007.20
  6. Step 6: Final answer
    x = 180,785,552.40

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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.