Home / 65,612,959.04-90,544,129.20-36,243,659.48

Finding the Fourth Proportional to 65,612,959.04, 90,544,129.20 and 36,243,659.48

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Solution

The fourth proportional to 65,612,959.04, 90,544,129.20 and 36,243,659.48 is: 50,015,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,612,959.04 : 90,544,129.20 = 36,243,659.48 : x
  2. Step 2: Convert to fraction form
    65,612,959.04/90,544,129.20 = 36,243,659.48/x
  3. Step 3: Cross multiply
    65,612,959.04x = 90,544,129.20 × 36,243,659.48
  4. Step 4: Simplify right side
    65,612,959.04x = 3,281,650,586,637,924.50
  5. Step 5: Solve for x
    x = 3,281,650,586,637,924.50/65,612,959.04
  6. Step 6: Final answer
    x = 50,015,281.05

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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.