Home / 57,033,950.10-78,706,872.09-30,928,461.18

Finding the Fourth Proportional to 57,033,950.10, 78,706,872.09 and 30,928,461.18

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Solution

The fourth proportional to 57,033,950.10, 78,706,872.09 and 30,928,461.18 is: 42,681,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033,950.10 : 78,706,872.09 = 30,928,461.18 : x
  2. Step 2: Convert to fraction form
    57,033,950.10/78,706,872.09 = 30,928,461.18/x
  3. Step 3: Cross multiply
    57,033,950.10x = 78,706,872.09 × 30,928,461.18
  4. Step 4: Simplify right side
    57,033,950.10x = 2,434,282,438,034,790.50
  5. Step 5: Solve for x
    x = 2,434,282,438,034,790.50/57,033,950.10
  6. Step 6: Final answer
    x = 42,681,287.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.