Home / 66,216,777.40-91,387,107.90-40,110,529.24

Finding the Fourth Proportional to 66,216,777.40, 91,387,107.90 and 40,110,529.24

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Solution

The fourth proportional to 66,216,777.40, 91,387,107.90 and 40,110,529.24 is: 55,357,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,216,777.40 : 91,387,107.90 = 40,110,529.24 : x
  2. Step 2: Convert to fraction form
    66,216,777.40/91,387,107.90 = 40,110,529.24/x
  3. Step 3: Cross multiply
    66,216,777.40x = 91,387,107.90 × 40,110,529.24
  4. Step 4: Simplify right side
    66,216,777.40x = 3,665,585,263,581,985.50
  5. Step 5: Solve for x
    x = 3,665,585,263,581,985.50/66,216,777.40
  6. Step 6: Final answer
    x = 55,357,349.11

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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.