Home / 220,340,228.10-330,510,342.15-99,407,876.10

Finding the Fourth Proportional to 220,340,228.10, 330,510,342.15 and 99,407,876.10

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Solution

The fourth proportional to 220,340,228.10, 330,510,342.15 and 99,407,876.10 is: 149,111,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,340,228.10 : 330,510,342.15 = 99,407,876.10 : x
  2. Step 2: Convert to fraction form
    220,340,228.10/330,510,342.15 = 99,407,876.10/x
  3. Step 3: Cross multiply
    220,340,228.10x = 330,510,342.15 × 99,407,876.10
  4. Step 4: Simplify right side
    220,340,228.10x = 32,855,331,142,215,804
  5. Step 5: Solve for x
    x = 32,855,331,142,215,804/220,340,228.10
  6. Step 6: Final answer
    x = 149,111,814.15

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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.