Home / 293,806,766.40-440,206,264.80-140,121,902.40

Finding the Fourth Proportional to 293,806,766.40, 440,206,264.80 and 140,121,902.40

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Solution

The fourth proportional to 293,806,766.40, 440,206,264.80 and 140,121,902.40 is: 209,942,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,806,766.40 : 440,206,264.80 = 140,121,902.40 : x
  2. Step 2: Convert to fraction form
    293,806,766.40/440,206,264.80 = 140,121,902.40/x
  3. Step 3: Cross multiply
    293,806,766.40x = 440,206,264.80 × 140,121,902.40
  4. Step 4: Simplify right side
    293,806,766.40x = 61,682,539,272,174,160
  5. Step 5: Solve for x
    x = 61,682,539,272,174,160/293,806,766.40
  6. Step 6: Final answer
    x = 209,942,541.58

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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.