Home / 64,513,425.40-96,770,138.10-48,389,111.80

Finding the Fourth Proportional to 64,513,425.40, 96,770,138.10 and 48,389,111.80

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Solution

The fourth proportional to 64,513,425.40, 96,770,138.10 and 48,389,111.80 is: 72,583,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,425.40 : 96,770,138.10 = 48,389,111.80 : x
  2. Step 2: Convert to fraction form
    64,513,425.40/96,770,138.10 = 48,389,111.80/x
  3. Step 3: Cross multiply
    64,513,425.40x = 96,770,138.10 × 48,389,111.80
  4. Step 4: Simplify right side
    64,513,425.40x = 4,682,621,031,422,339
  5. Step 5: Solve for x
    x = 4,682,621,031,422,339/64,513,425.40
  6. Step 6: Final answer
    x = 72,583,667.70

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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.