Home / 191,338,730.32-263,906,475.28-144,297,786.22

Finding the Fourth Proportional to 191,338,730.32, 263,906,475.28 and 144,297,786.22

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Solution

The fourth proportional to 191,338,730.32, 263,906,475.28 and 144,297,786.22 is: 199,024,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,338,730.32 : 263,906,475.28 = 144,297,786.22 : x
  2. Step 2: Convert to fraction form
    191,338,730.32/263,906,475.28 = 144,297,786.22/x
  3. Step 3: Cross multiply
    191,338,730.32x = 263,906,475.28 × 144,297,786.22
  4. Step 4: Simplify right side
    191,338,730.32x = 38,081,120,152,027,152
  5. Step 5: Solve for x
    x = 38,081,120,152,027,152/191,338,730.32
  6. Step 6: Final answer
    x = 199,024,630.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.