Home / 167,742,751.71-231,482,790.12-92,387,632.58

Finding the Fourth Proportional to 167,742,751.71, 231,482,790.12 and 92,387,632.58

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Solution

The fourth proportional to 167,742,751.71, 231,482,790.12 and 92,387,632.58 is: 127,493,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,742,751.71 : 231,482,790.12 = 92,387,632.58 : x
  2. Step 2: Convert to fraction form
    167,742,751.71/231,482,790.12 = 92,387,632.58/x
  3. Step 3: Cross multiply
    167,742,751.71x = 231,482,790.12 × 92,387,632.58
  4. Step 4: Simplify right side
    167,742,751.71x = 21,386,146,961,042,400
  5. Step 5: Solve for x
    x = 21,386,146,961,042,400/167,742,751.71
  6. Step 6: Final answer
    x = 127,493,717.27

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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.