Home / 99,264,644.40-148,901,632.20-31,109,559.60

Finding the Fourth Proportional to 99,264,644.40, 148,901,632.20 and 31,109,559.60

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Solution

The fourth proportional to 99,264,644.40, 148,901,632.20 and 31,109,559.60 is: 46,665,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,264,644.40 : 148,901,632.20 = 31,109,559.60 : x
  2. Step 2: Convert to fraction form
    99,264,644.40/148,901,632.20 = 31,109,559.60/x
  3. Step 3: Cross multiply
    99,264,644.40x = 148,901,632.20 × 31,109,559.60
  4. Step 4: Simplify right side
    99,264,644.40x = 4,632,264,201,463,179
  5. Step 5: Solve for x
    x = 4,632,264,201,463,179/99,264,644.40
  6. Step 6: Final answer
    x = 46,665,801.60

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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.