Home / 66,429,964.80-99,644,947.20-46,946,419.20

Finding the Fourth Proportional to 66,429,964.80, 99,644,947.20 and 46,946,419.20

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Solution

The fourth proportional to 66,429,964.80, 99,644,947.20 and 46,946,419.20 is: 70,419,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,964.80 : 99,644,947.20 = 46,946,419.20 : x
  2. Step 2: Convert to fraction form
    66,429,964.80/99,644,947.20 = 46,946,419.20/x
  3. Step 3: Cross multiply
    66,429,964.80x = 99,644,947.20 × 46,946,419.20
  4. Step 4: Simplify right side
    66,429,964.80x = 4,677,973,462,413,067
  5. Step 5: Solve for x
    x = 4,677,973,462,413,067/66,429,964.80
  6. Step 6: Final answer
    x = 70,419,628.80

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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.