Home / 64,513,454.40-96,770,181.60-48,389,140.80

Finding the Fourth Proportional to 64,513,454.40, 96,770,181.60 and 48,389,140.80

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Solution

The fourth proportional to 64,513,454.40, 96,770,181.60 and 48,389,140.80 is: 72,583,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,454.40 : 96,770,181.60 = 48,389,140.80 : x
  2. Step 2: Convert to fraction form
    64,513,454.40/96,770,181.60 = 48,389,140.80/x
  3. Step 3: Cross multiply
    64,513,454.40x = 96,770,181.60 × 48,389,140.80
  4. Step 4: Simplify right side
    64,513,454.40x = 4,682,625,942,683,969
  5. Step 5: Solve for x
    x = 4,682,625,942,683,969/64,513,454.40
  6. Step 6: Final answer
    x = 72,583,711.20

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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.