Home / 66,434,080.80-99,576,471.60-34,073,479.20

Finding the Fourth Proportional to 66,434,080.80, 99,576,471.60 and 34,073,479.20

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Solution

The fourth proportional to 66,434,080.80, 99,576,471.60 and 34,073,479.20 is: 51,071,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,080.80 : 99,576,471.60 = 34,073,479.20 : x
  2. Step 2: Convert to fraction form
    66,434,080.80/99,576,471.60 = 34,073,479.20/x
  3. Step 3: Cross multiply
    66,434,080.80x = 99,576,471.60 × 34,073,479.20
  4. Step 4: Simplify right side
    66,434,080.80x = 3,392,916,833,871,991
  5. Step 5: Solve for x
    x = 3,392,916,833,871,991/66,434,080.80
  6. Step 6: Final answer
    x = 51,071,931.65

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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.