Home / 103,632,187.10-155,448,280.65-31,819,271.90

Finding the Fourth Proportional to 103,632,187.10, 155,448,280.65 and 31,819,271.90

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Solution

The fourth proportional to 103,632,187.10, 155,448,280.65 and 31,819,271.90 is: 47,728,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632,187.10 : 155,448,280.65 = 31,819,271.90 : x
  2. Step 2: Convert to fraction form
    103,632,187.10/155,448,280.65 = 31,819,271.90/x
  3. Step 3: Cross multiply
    103,632,187.10x = 155,448,280.65 × 31,819,271.90
  4. Step 4: Simplify right side
    103,632,187.10x = 4,946,251,108,389,859
  5. Step 5: Solve for x
    x = 4,946,251,108,389,859/103,632,187.10
  6. Step 6: Final answer
    x = 47,728,907.85

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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.