Home / 231,840,020.40-347,760,030.60-208,748,410.80

Finding the Fourth Proportional to 231,840,020.40, 347,760,030.60 and 208,748,410.80

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Solution

The fourth proportional to 231,840,020.40, 347,760,030.60 and 208,748,410.80 is: 313,122,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,840,020.40 : 347,760,030.60 = 208,748,410.80 : x
  2. Step 2: Convert to fraction form
    231,840,020.40/347,760,030.60 = 208,748,410.80/x
  3. Step 3: Cross multiply
    231,840,020.40x = 347,760,030.60 × 208,748,410.80
  4. Step 4: Simplify right side
    231,840,020.40x = 72,594,353,727,509,376
  5. Step 5: Solve for x
    x = 72,594,353,727,509,376/231,840,020.40
  6. Step 6: Final answer
    x = 313,122,616.20

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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.