Home / 69,984,112.10-104,976,168.15-64,031,972.90

Finding the Fourth Proportional to 69,984,112.10, 104,976,168.15 and 64,031,972.90

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Solution

The fourth proportional to 69,984,112.10, 104,976,168.15 and 64,031,972.90 is: 96,047,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,112.10 : 104,976,168.15 = 64,031,972.90 : x
  2. Step 2: Convert to fraction form
    69,984,112.10/104,976,168.15 = 64,031,972.90/x
  3. Step 3: Cross multiply
    69,984,112.10x = 104,976,168.15 × 64,031,972.90
  4. Step 4: Simplify right side
    69,984,112.10x = 6,721,831,154,126,643
  5. Step 5: Solve for x
    x = 6,721,831,154,126,643/69,984,112.10
  6. Step 6: Final answer
    x = 96,047,959.35

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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.