Home / 65,808,415.73-90,814,501.21-36,439,116.18

Finding the Fourth Proportional to 65,808,415.73, 90,814,501.21 and 36,439,116.18

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Solution

The fourth proportional to 65,808,415.73, 90,814,501.21 and 36,439,116.18 is: 50,285,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,808,415.73 : 90,814,501.21 = 36,439,116.18 : x
  2. Step 2: Convert to fraction form
    65,808,415.73/90,814,501.21 = 36,439,116.18/x
  3. Step 3: Cross multiply
    65,808,415.73x = 90,814,501.21 × 36,439,116.18
  4. Step 4: Simplify right side
    65,808,415.73x = 3,309,200,160,464,976
  5. Step 5: Solve for x
    x = 3,309,200,160,464,976/65,808,415.73
  6. Step 6: Final answer
    x = 50,285,364.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.