Home / 112,100,834.10-168,151,251.15-30,219,554.10

Finding the Fourth Proportional to 112,100,834.10, 168,151,251.15 and 30,219,554.10

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Solution

The fourth proportional to 112,100,834.10, 168,151,251.15 and 30,219,554.10 is: 45,329,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,834.10 : 168,151,251.15 = 30,219,554.10 : x
  2. Step 2: Convert to fraction form
    112,100,834.10/168,151,251.15 = 30,219,554.10/x
  3. Step 3: Cross multiply
    112,100,834.10x = 168,151,251.15 × 30,219,554.10
  4. Step 4: Simplify right side
    112,100,834.10x = 5,081,455,831,110,113
  5. Step 5: Solve for x
    x = 5,081,455,831,110,113/112,100,834.10
  6. Step 6: Final answer
    x = 45,329,331.15

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Double scale
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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.