Home / 99,162,021.40-148,743,032.10-60,362,891.80

Finding the Fourth Proportional to 99,162,021.40, 148,743,032.10 and 60,362,891.80

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Solution

The fourth proportional to 99,162,021.40, 148,743,032.10 and 60,362,891.80 is: 90,544,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,162,021.40 : 148,743,032.10 = 60,362,891.80 : x
  2. Step 2: Convert to fraction form
    99,162,021.40/148,743,032.10 = 60,362,891.80/x
  3. Step 3: Cross multiply
    99,162,021.40x = 148,743,032.10 × 60,362,891.80
  4. Step 4: Simplify right side
    99,162,021.40x = 8,978,559,552,656,226
  5. Step 5: Solve for x
    x = 8,978,559,552,656,226/99,162,021.40
  6. Step 6: Final answer
    x = 90,544,337.70

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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.