Home / 72,598,851.20-108,898,276.80-65,880,387.20

Finding the Fourth Proportional to 72,598,851.20, 108,898,276.80 and 65,880,387.20

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Solution

The fourth proportional to 72,598,851.20, 108,898,276.80 and 65,880,387.20 is: 98,820,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,598,851.20 : 108,898,276.80 = 65,880,387.20 : x
  2. Step 2: Convert to fraction form
    72,598,851.20/108,898,276.80 = 65,880,387.20/x
  3. Step 3: Cross multiply
    72,598,851.20x = 108,898,276.80 × 65,880,387.20
  4. Step 4: Simplify right side
    72,598,851.20x = 7,174,260,640,996,777
  5. Step 5: Solve for x
    x = 7,174,260,640,996,777/72,598,851.20
  6. Step 6: Final answer
    x = 98,820,580.80

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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.