Home / 222,920,672.80-334,381,009.20-120,884,000.80

Finding the Fourth Proportional to 222,920,672.80, 334,381,009.20 and 120,884,000.80

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Solution

The fourth proportional to 222,920,672.80, 334,381,009.20 and 120,884,000.80 is: 181,326,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,920,672.80 : 334,381,009.20 = 120,884,000.80 : x
  2. Step 2: Convert to fraction form
    222,920,672.80/334,381,009.20 = 120,884,000.80/x
  3. Step 3: Cross multiply
    222,920,672.80x = 334,381,009.20 × 120,884,000.80
  4. Step 4: Simplify right side
    222,920,672.80x = 40,421,314,183,637,608
  5. Step 5: Solve for x
    x = 40,421,314,183,637,608/222,920,672.80
  6. Step 6: Final answer
    x = 181,326,001.20

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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.