Home / 99,231,570.10-148,847,355.15-31,095,147.70

Finding the Fourth Proportional to 99,231,570.10, 148,847,355.15 and 31,095,147.70

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Solution

The fourth proportional to 99,231,570.10, 148,847,355.15 and 31,095,147.70 is: 46,642,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,231,570.10 : 148,847,355.15 = 31,095,147.70 : x
  2. Step 2: Convert to fraction form
    99,231,570.10/148,847,355.15 = 31,095,147.70/x
  3. Step 3: Cross multiply
    99,231,570.10x = 148,847,355.15 × 31,095,147.70
  4. Step 4: Simplify right side
    99,231,570.10x = 4,628,430,493,143,606
  5. Step 5: Solve for x
    x = 4,628,430,493,143,606/99,231,570.10
  6. Step 6: Final answer
    x = 46,642,721.55

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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.