Home / 107,352,007.80-161,028,011.70-100,124,410.20

Finding the Fourth Proportional to 107,352,007.80, 161,028,011.70 and 100,124,410.20

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Solution

The fourth proportional to 107,352,007.80, 161,028,011.70 and 100,124,410.20 is: 150,186,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,352,007.80 : 161,028,011.70 = 100,124,410.20 : x
  2. Step 2: Convert to fraction form
    107,352,007.80/161,028,011.70 = 100,124,410.20/x
  3. Step 3: Cross multiply
    107,352,007.80x = 161,028,011.70 × 100,124,410.20
  4. Step 4: Simplify right side
    107,352,007.80x = 16,122,834,697,141,198
  5. Step 5: Solve for x
    x = 16,122,834,697,141,198/107,352,007.80
  6. Step 6: Final answer
    x = 150,186,615.30

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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.