Home / 30,299,045.18-45,448,567.76-20,733,107.18

Finding the Fourth Proportional to 30,299,045.18, 45,448,567.76 and 20,733,107.18

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Solution

The fourth proportional to 30,299,045.18, 45,448,567.76 and 20,733,107.18 is: 31,099,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299,045.18 : 45,448,567.76 = 20,733,107.18 : x
  2. Step 2: Convert to fraction form
    30,299,045.18/45,448,567.76 = 20,733,107.18/x
  3. Step 3: Cross multiply
    30,299,045.18x = 45,448,567.76 × 20,733,107.18
  4. Step 4: Simplify right side
    30,299,045.18x = 942,290,026,370,162.50
  5. Step 5: Solve for x
    x = 942,290,026,370,162.50/30,299,045.18
  6. Step 6: Final answer
    x = 31,099,660.76

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1.5x scale

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.