Home / 107,875,999.80-161,834,994.90-31,201,529.40

Finding the Fourth Proportional to 107,875,999.80, 161,834,994.90 and 31,201,529.40

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Solution

The fourth proportional to 107,875,999.80, 161,834,994.90 and 31,201,529.40 is: 46,808,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,875,999.80 : 161,834,994.90 = 31,201,529.40 : x
  2. Step 2: Convert to fraction form
    107,875,999.80/161,834,994.90 = 31,201,529.40/x
  3. Step 3: Cross multiply
    107,875,999.80x = 161,834,994.90 × 31,201,529.40
  4. Step 4: Simplify right side
    107,875,999.80x = 5,049,499,351,321,200
  5. Step 5: Solve for x
    x = 5,049,499,351,321,200/107,875,999.80
  6. Step 6: Final answer
    x = 46,808,366.65

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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.