Home / 88,743,868.20-133,115,802.30-60,078,421.80

Finding the Fourth Proportional to 88,743,868.20, 133,115,802.30 and 60,078,421.80

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Solution

The fourth proportional to 88,743,868.20, 133,115,802.30 and 60,078,421.80 is: 90,117,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,743,868.20 : 133,115,802.30 = 60,078,421.80 : x
  2. Step 2: Convert to fraction form
    88,743,868.20/133,115,802.30 = 60,078,421.80/x
  3. Step 3: Cross multiply
    88,743,868.20x = 133,115,802.30 × 60,078,421.80
  4. Step 4: Simplify right side
    88,743,868.20x = 7,997,387,318,824,810
  5. Step 5: Solve for x
    x = 7,997,387,318,824,810/88,743,868.20
  6. Step 6: Final answer
    x = 90,117,632.70

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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.