Home / 85,101,230.60-127,462,889.10-69,984,686.60

Finding the Fourth Proportional to 85,101,230.60, 127,462,889.10 and 69,984,686.60

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Solution

The fourth proportional to 85,101,230.60, 127,462,889.10 and 69,984,686.60 is: 104,821,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,101,230.60 : 127,462,889.10 = 69,984,686.60 : x
  2. Step 2: Convert to fraction form
    85,101,230.60/127,462,889.10 = 69,984,686.60/x
  3. Step 3: Cross multiply
    85,101,230.60x = 127,462,889.10 × 69,984,686.60
  4. Step 4: Simplify right side
    85,101,230.60x = 8,920,450,346,794,055
  5. Step 5: Solve for x
    x = 8,920,450,346,794,055/85,101,230.60
  6. Step 6: Final answer
    x = 104,821,637.52

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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.