Home / 99,835,943.50-149,734,976.37-48,666,499.66

Finding the Fourth Proportional to 99,835,943.50, 149,734,976.37 and 48,666,499.66

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Solution

The fourth proportional to 99,835,943.50, 149,734,976.37 and 48,666,499.66 is: 72,990,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,835,943.50 : 149,734,976.37 = 48,666,499.66 : x
  2. Step 2: Convert to fraction form
    99,835,943.50/149,734,976.37 = 48,666,499.66/x
  3. Step 3: Cross multiply
    99,835,943.50x = 149,734,976.37 × 48,666,499.66
  4. Step 4: Simplify right side
    99,835,943.50x = 7,287,077,176,600,713
  5. Step 5: Solve for x
    x = 7,287,077,176,600,713/99,835,943.50
  6. Step 6: Final answer
    x = 72,990,517.45

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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.