Home / 207,793,502.40-311,484,675.60-98,426,443.80

Finding the Fourth Proportional to 207,793,502.40, 311,484,675.60 and 98,426,443.80

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Solution

The fourth proportional to 207,793,502.40, 311,484,675.60 and 98,426,443.80 is: 147,542,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,793,502.40 : 311,484,675.60 = 98,426,443.80 : x
  2. Step 2: Convert to fraction form
    207,793,502.40/311,484,675.60 = 98,426,443.80/x
  3. Step 3: Cross multiply
    207,793,502.40x = 311,484,675.60 × 98,426,443.80
  4. Step 4: Simplify right side
    207,793,502.40x = 30,658,328,917,504,632
  5. Step 5: Solve for x
    x = 30,658,328,917,504,632/207,793,502.40
  6. Step 6: Final answer
    x = 147,542,288.68

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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.