Home / 104,039,486.40-156,011,990.40-39,321,782.40

Finding the Fourth Proportional to 104,039,486.40, 156,011,990.40 and 39,321,782.40

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Solution

The fourth proportional to 104,039,486.40, 156,011,990.40 and 39,321,782.40 is: 58,964,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,039,486.40 : 156,011,990.40 = 39,321,782.40 : x
  2. Step 2: Convert to fraction form
    104,039,486.40/156,011,990.40 = 39,321,782.40/x
  3. Step 3: Cross multiply
    104,039,486.40x = 156,011,990.40 × 39,321,782.40
  4. Step 4: Simplify right side
    104,039,486.40x = 6,134,669,538,299,689
  5. Step 5: Solve for x
    x = 6,134,669,538,299,689/104,039,486.40
  6. Step 6: Final answer
    x = 58,964,819.52

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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.