Home / 64,513,428.90-96,770,143.35-48,389,115.30

Finding the Fourth Proportional to 64,513,428.90, 96,770,143.35 and 48,389,115.30

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Solution

The fourth proportional to 64,513,428.90, 96,770,143.35 and 48,389,115.30 is: 72,583,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,428.90 : 96,770,143.35 = 48,389,115.30 : x
  2. Step 2: Convert to fraction form
    64,513,428.90/96,770,143.35 = 48,389,115.30/x
  3. Step 3: Cross multiply
    64,513,428.90x = 96,770,143.35 × 48,389,115.30
  4. Step 4: Simplify right side
    64,513,428.90x = 4,682,621,624,160,678
  5. Step 5: Solve for x
    x = 4,682,621,624,160,678/64,513,428.90
  6. Step 6: Final answer
    x = 72,583,672.95

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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.