Home / 109,314,109,475.43-163,978,358,964.03-28,641,788,222.46

Finding the Fourth Proportional to 109,314,109,475.43, 163,978,358,964.03 and 28,641,788,222.46

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Solution

The fourth proportional to 109,314,109,475.43, 163,978,358,964.03 and 28,641,788,222.46 is: 42,964,567,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,314,109,475.43 : 163,978,358,964.03 = 28,641,788,222.46 : x
  2. Step 2: Convert to fraction form
    109,314,109,475.43/163,978,358,964.03 = 28,641,788,222.46/x
  3. Step 3: Cross multiply
    109,314,109,475.43x = 163,978,358,964.03 × 28,641,788,222.46
  4. Step 4: Simplify right side
    109,314,109,475.43x = 4,696,633,430,514,272,305,152
  5. Step 5: Solve for x
    x = 4,696,633,430,514,272,305,152/109,314,109,475.43
  6. Step 6: Final answer
    x = 42,964,567,456.59

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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.