Home / 100,735,410.30-151,103,115.45-80,580,018.30

Finding the Fourth Proportional to 100,735,410.30, 151,103,115.45 and 80,580,018.30

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Solution

The fourth proportional to 100,735,410.30, 151,103,115.45 and 80,580,018.30 is: 120,870,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,735,410.30 : 151,103,115.45 = 80,580,018.30 : x
  2. Step 2: Convert to fraction form
    100,735,410.30/151,103,115.45 = 80,580,018.30/x
  3. Step 3: Cross multiply
    100,735,410.30x = 151,103,115.45 × 80,580,018.30
  4. Step 4: Simplify right side
    100,735,410.30x = 12,175,891,808,148,012
  5. Step 5: Solve for x
    x = 12,175,891,808,148,012/100,735,410.30
  6. Step 6: Final answer
    x = 120,870,027.45

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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.