Home / 89,840,813.16-134,747,732.66-28,421,991.41

Finding the Fourth Proportional to 89,840,813.16, 134,747,732.66 and 28,421,991.41

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Solution

The fourth proportional to 89,840,813.16, 134,747,732.66 and 28,421,991.41 is: 42,628,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,840,813.16 : 134,747,732.66 = 28,421,991.41 : x
  2. Step 2: Convert to fraction form
    89,840,813.16/134,747,732.66 = 28,421,991.41/x
  3. Step 3: Cross multiply
    89,840,813.16x = 134,747,732.66 × 28,421,991.41
  4. Step 4: Simplify right side
    89,840,813.16x = 3,829,798,899,363,648
  5. Step 5: Solve for x
    x = 3,829,798,899,363,648/89,840,813.16
  6. Step 6: Final answer
    x = 42,628,720.34

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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.