Home / 99,015,986.70-148,523,980.05-26,243,999.10

Finding the Fourth Proportional to 99,015,986.70, 148,523,980.05 and 26,243,999.10

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Solution

The fourth proportional to 99,015,986.70, 148,523,980.05 and 26,243,999.10 is: 39,365,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015,986.70 : 148,523,980.05 = 26,243,999.10 : x
  2. Step 2: Convert to fraction form
    99,015,986.70/148,523,980.05 = 26,243,999.10/x
  3. Step 3: Cross multiply
    99,015,986.70x = 148,523,980.05 × 26,243,999.10
  4. Step 4: Simplify right side
    99,015,986.70x = 3,897,863,198,760,618.50
  5. Step 5: Solve for x
    x = 3,897,863,198,760,618.50/99,015,986.70
  6. Step 6: Final answer
    x = 39,365,998.65

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1.5x scale

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.