Home / 104,521,808.46-156,772,574.72-31,739,218.78

Finding the Fourth Proportional to 104,521,808.46, 156,772,574.72 and 31,739,218.78

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Solution

The fourth proportional to 104,521,808.46, 156,772,574.72 and 31,739,218.78 is: 47,605,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,521,808.46 : 156,772,574.72 = 31,739,218.78 : x
  2. Step 2: Convert to fraction form
    104,521,808.46/156,772,574.72 = 31,739,218.78/x
  3. Step 3: Cross multiply
    104,521,808.46x = 156,772,574.72 × 31,739,218.78
  4. Step 4: Simplify right side
    104,521,808.46x = 4,975,839,047,741,977
  5. Step 5: Solve for x
    x = 4,975,839,047,741,977/104,521,808.46
  6. Step 6: Final answer
    x = 47,605,749.66

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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.