Home / 167,546,042.40-231,119,065.44-100,547,865.84

Finding the Fourth Proportional to 167,546,042.40, 231,119,065.44 and 100,547,865.84

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Solution

The fourth proportional to 167,546,042.40, 231,119,065.44 and 100,547,865.84 is: 138,699,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,546,042.40 : 231,119,065.44 = 100,547,865.84 : x
  2. Step 2: Convert to fraction form
    167,546,042.40/231,119,065.44 = 100,547,865.84/x
  3. Step 3: Cross multiply
    167,546,042.40x = 231,119,065.44 × 100,547,865.84
  4. Step 4: Simplify right side
    167,546,042.40x = 23,238,528,784,927,300
  5. Step 5: Solve for x
    x = 23,238,528,784,927,300/167,546,042.40
  6. Step 6: Final answer
    x = 138,699,359.60

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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.