Home / 83,443,208.40-125,164,812.60-70,720,117.20

Finding the Fourth Proportional to 83,443,208.40, 125,164,812.60 and 70,720,117.20

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Solution

The fourth proportional to 83,443,208.40, 125,164,812.60 and 70,720,117.20 is: 106,080,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,443,208.40 : 125,164,812.60 = 70,720,117.20 : x
  2. Step 2: Convert to fraction form
    83,443,208.40/125,164,812.60 = 70,720,117.20/x
  3. Step 3: Cross multiply
    83,443,208.40x = 125,164,812.60 × 70,720,117.20
  4. Step 4: Simplify right side
    83,443,208.40x = 8,851,670,216,388,037
  5. Step 5: Solve for x
    x = 8,851,670,216,388,037/83,443,208.40
  6. Step 6: Final answer
    x = 106,080,175.80

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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.