Home / 191,338,731.32-263,906,476.66-144,297,787.22

Finding the Fourth Proportional to 191,338,731.32, 263,906,476.66 and 144,297,787.22

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Solution

The fourth proportional to 191,338,731.32, 263,906,476.66 and 144,297,787.22 is: 199,024,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,338,731.32 : 263,906,476.66 = 144,297,787.22 : x
  2. Step 2: Convert to fraction form
    191,338,731.32/263,906,476.66 = 144,297,787.22/x
  3. Step 3: Cross multiply
    191,338,731.32x = 263,906,476.66 × 144,297,787.22
  4. Step 4: Simplify right side
    191,338,731.32x = 38,081,120,615,064,576
  5. Step 5: Solve for x
    x = 38,081,120,615,064,576/191,338,731.32
  6. Step 6: Final answer
    x = 199,024,632.14

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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.