Home / 293,308,876.80-439,963,315.20-132,065,740.80

Finding the Fourth Proportional to 293,308,876.80, 439,963,315.20 and 132,065,740.80

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Solution

The fourth proportional to 293,308,876.80, 439,963,315.20 and 132,065,740.80 is: 198,098,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,308,876.80 : 439,963,315.20 = 132,065,740.80 : x
  2. Step 2: Convert to fraction form
    293,308,876.80/439,963,315.20 = 132,065,740.80/x
  3. Step 3: Cross multiply
    293,308,876.80x = 439,963,315.20 × 132,065,740.80
  4. Step 4: Simplify right side
    293,308,876.80x = 58,104,081,146,711,896
  5. Step 5: Solve for x
    x = 58,104,081,146,711,896/293,308,876.80
  6. Step 6: Final answer
    x = 198,098,611.20

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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.