Home / 99,696,305.32-149,597,145.72-70,737,296.43

Finding the Fourth Proportional to 99,696,305.32, 149,597,145.72 and 70,737,296.43

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Solution

The fourth proportional to 99,696,305.32, 149,597,145.72 and 70,737,296.43 is: 106,143,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,305.32 : 149,597,145.72 = 70,737,296.43 : x
  2. Step 2: Convert to fraction form
    99,696,305.32/149,597,145.72 = 70,737,296.43/x
  3. Step 3: Cross multiply
    99,696,305.32x = 149,597,145.72 × 70,737,296.43
  4. Step 4: Simplify right side
    99,696,305.32x = 10,582,097,641,818,948
  5. Step 5: Solve for x
    x = 10,582,097,641,818,948/99,696,305.32
  6. Step 6: Final answer
    x = 106,143,328.06

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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.