Home / 43,042,782.80-64,436,238.84-42,986,095.76

Finding the Fourth Proportional to 43,042,782.80, 64,436,238.84 and 42,986,095.76

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Solution

The fourth proportional to 43,042,782.80, 64,436,238.84 and 42,986,095.76 is: 64,351,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042,782.80 : 64,436,238.84 = 42,986,095.76 : x
  2. Step 2: Convert to fraction form
    43,042,782.80/64,436,238.84 = 42,986,095.76/x
  3. Step 3: Cross multiply
    43,042,782.80x = 64,436,238.84 × 42,986,095.76
  4. Step 4: Simplify right side
    43,042,782.80x = 2,769,862,333,190,471.50
  5. Step 5: Solve for x
    x = 2,769,862,333,190,471.50/43,042,782.80
  6. Step 6: Final answer
    x = 64,351,376.77

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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.