Home / 217,260,285.39-299,810,070.83-123,180,762.98

Finding the Fourth Proportional to 217,260,285.39, 299,810,070.83 and 123,180,762.98

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Solution

The fourth proportional to 217,260,285.39, 299,810,070.83 and 123,180,762.98 is: 169,984,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,260,285.39 : 299,810,070.83 = 123,180,762.98 : x
  2. Step 2: Convert to fraction form
    217,260,285.39/299,810,070.83 = 123,180,762.98/x
  3. Step 3: Cross multiply
    217,260,285.39x = 299,810,070.83 × 123,180,762.98
  4. Step 4: Simplify right side
    217,260,285.39x = 36,930,833,271,812,288
  5. Step 5: Solve for x
    x = 36,930,833,271,812,288/217,260,285.39
  6. Step 6: Final answer
    x = 169,984,280.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.