Home / 69,880,003.60-104,820,005.40-66,744,720.40

Finding the Fourth Proportional to 69,880,003.60, 104,820,005.40 and 66,744,720.40

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Solution

The fourth proportional to 69,880,003.60, 104,820,005.40 and 66,744,720.40 is: 100,117,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,880,003.60 : 104,820,005.40 = 66,744,720.40 : x
  2. Step 2: Convert to fraction form
    69,880,003.60/104,820,005.40 = 66,744,720.40/x
  3. Step 3: Cross multiply
    69,880,003.60x = 104,820,005.40 × 66,744,720.40
  4. Step 4: Simplify right side
    69,880,003.60x = 6,996,181,952,749,490
  5. Step 5: Solve for x
    x = 6,996,181,952,749,490/69,880,003.60
  6. Step 6: Final answer
    x = 100,117,080.60

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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.