Home / 73,872,220.20-110,808,330.30-69,904,127.40

Finding the Fourth Proportional to 73,872,220.20, 110,808,330.30 and 69,904,127.40

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Solution

The fourth proportional to 73,872,220.20, 110,808,330.30 and 69,904,127.40 is: 104,856,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,220.20 : 110,808,330.30 = 69,904,127.40 : x
  2. Step 2: Convert to fraction form
    73,872,220.20/110,808,330.30 = 69,904,127.40/x
  3. Step 3: Cross multiply
    73,872,220.20x = 110,808,330.30 × 69,904,127.40
  4. Step 4: Simplify right side
    73,872,220.20x = 7,745,959,638,272,481
  5. Step 5: Solve for x
    x = 7,745,959,638,272,481/73,872,220.20
  6. Step 6: Final answer
    x = 104,856,191.10

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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.