Home / 66,065,847.66-91,150,301.08-38,178,398.16

Finding the Fourth Proportional to 66,065,847.66, 91,150,301.08 and 38,178,398.16

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Solution

The fourth proportional to 66,065,847.66, 91,150,301.08 and 38,178,398.16 is: 52,674,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065,847.66 : 91,150,301.08 = 38,178,398.16 : x
  2. Step 2: Convert to fraction form
    66,065,847.66/91,150,301.08 = 38,178,398.16/x
  3. Step 3: Cross multiply
    66,065,847.66x = 91,150,301.08 × 38,178,398.16
  4. Step 4: Simplify right side
    66,065,847.66x = 3,479,972,486,389,474.50
  5. Step 5: Solve for x
    x = 3,479,972,486,389,474.50/66,065,847.66
  6. Step 6: Final answer
    x = 52,674,303.14

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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.