Home / 202,176,196.40-303,264,294.60-81,094,545.20

Finding the Fourth Proportional to 202,176,196.40, 303,264,294.60 and 81,094,545.20

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Solution

The fourth proportional to 202,176,196.40, 303,264,294.60 and 81,094,545.20 is: 121,641,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,176,196.40 : 303,264,294.60 = 81,094,545.20 : x
  2. Step 2: Convert to fraction form
    202,176,196.40/303,264,294.60 = 81,094,545.20/x
  3. Step 3: Cross multiply
    202,176,196.40x = 303,264,294.60 × 81,094,545.20
  4. Step 4: Simplify right side
    202,176,196.40x = 24,593,080,045,985,820
  5. Step 5: Solve for x
    x = 24,593,080,045,985,820/202,176,196.40
  6. Step 6: Final answer
    x = 121,641,817.80

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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.