Home / 64,390,441.60-96,585,662.40-43,983,107.20

Finding the Fourth Proportional to 64,390,441.60, 96,585,662.40 and 43,983,107.20

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Solution

The fourth proportional to 64,390,441.60, 96,585,662.40 and 43,983,107.20 is: 65,974,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,390,441.60 : 96,585,662.40 = 43,983,107.20 : x
  2. Step 2: Convert to fraction form
    64,390,441.60/96,585,662.40 = 43,983,107.20/x
  3. Step 3: Cross multiply
    64,390,441.60x = 96,585,662.40 × 43,983,107.20
  4. Step 4: Simplify right side
    64,390,441.60x = 4,248,137,543,322,210
  5. Step 5: Solve for x
    x = 4,248,137,543,322,210/64,390,441.60
  6. Step 6: Final answer
    x = 65,974,660.80

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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.