Home / 243,648,020.40-365,472,030.60-207,368,314.80

Finding the Fourth Proportional to 243,648,020.40, 365,472,030.60 and 207,368,314.80

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Solution

The fourth proportional to 243,648,020.40, 365,472,030.60 and 207,368,314.80 is: 311,052,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,648,020.40 : 365,472,030.60 = 207,368,314.80 : x
  2. Step 2: Convert to fraction form
    243,648,020.40/365,472,030.60 = 207,368,314.80/x
  3. Step 3: Cross multiply
    243,648,020.40x = 365,472,030.60 × 207,368,314.80
  4. Step 4: Simplify right side
    243,648,020.40x = 75,787,319,092,056,048
  5. Step 5: Solve for x
    x = 75,787,319,092,056,048/243,648,020.40
  6. Step 6: Final answer
    x = 311,052,472.20

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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.