Home / 43,042,780.80-64,436,235.84-42,986,093.76

Finding the Fourth Proportional to 43,042,780.80, 64,436,235.84 and 42,986,093.76

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Solution

The fourth proportional to 43,042,780.80, 64,436,235.84 and 42,986,093.76 is: 64,351,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042,780.80 : 64,436,235.84 = 42,986,093.76 : x
  2. Step 2: Convert to fraction form
    43,042,780.80/64,436,235.84 = 42,986,093.76/x
  3. Step 3: Cross multiply
    43,042,780.80x = 64,436,235.84 × 42,986,093.76
  4. Step 4: Simplify right side
    43,042,780.80x = 2,769,862,075,359,712.50
  5. Step 5: Solve for x
    x = 2,769,862,075,359,712.50/43,042,780.80
  6. Step 6: Final answer
    x = 64,351,373.77

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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.