Home / 68,688,002.80-103,032,004.20-41,478,223.60

Finding the Fourth Proportional to 68,688,002.80, 103,032,004.20 and 41,478,223.60

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Solution

The fourth proportional to 68,688,002.80, 103,032,004.20 and 41,478,223.60 is: 62,217,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688,002.80 : 103,032,004.20 = 41,478,223.60 : x
  2. Step 2: Convert to fraction form
    68,688,002.80/103,032,004.20 = 41,478,223.60/x
  3. Step 3: Cross multiply
    68,688,002.80x = 103,032,004.20 × 41,478,223.60
  4. Step 4: Simplify right side
    68,688,002.80x = 4,273,584,508,163,739.50
  5. Step 5: Solve for x
    x = 4,273,584,508,163,739.50/68,688,002.80
  6. Step 6: Final answer
    x = 62,217,335.40

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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.