Home / 84,014,955.90-126,022,433.85-73,937,259.90

Finding the Fourth Proportional to 84,014,955.90, 126,022,433.85 and 73,937,259.90

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Solution

The fourth proportional to 84,014,955.90, 126,022,433.85 and 73,937,259.90 is: 110,905,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,014,955.90 : 126,022,433.85 = 73,937,259.90 : x
  2. Step 2: Convert to fraction form
    84,014,955.90/126,022,433.85 = 73,937,259.90/x
  3. Step 3: Cross multiply
    84,014,955.90x = 126,022,433.85 × 73,937,259.90
  4. Step 4: Simplify right side
    84,014,955.90x = 9,317,753,444,798,008
  5. Step 5: Solve for x
    x = 9,317,753,444,798,008/84,014,955.90
  6. Step 6: Final answer
    x = 110,905,889.85

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1.5x scale

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.