Home / 103,450,905.33-142,796,843.61-61,648,079.21

Finding the Fourth Proportional to 103,450,905.33, 142,796,843.61 and 61,648,079.21

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Solution

The fourth proportional to 103,450,905.33, 142,796,843.61 and 61,648,079.21 is: 85,094,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,450,905.33 : 142,796,843.61 = 61,648,079.21 : x
  2. Step 2: Convert to fraction form
    103,450,905.33/142,796,843.61 = 61,648,079.21/x
  3. Step 3: Cross multiply
    103,450,905.33x = 142,796,843.61 × 61,648,079.21
  4. Step 4: Simplify right side
    103,450,905.33x = 8,803,151,125,093,279
  5. Step 5: Solve for x
    x = 8,803,151,125,093,279/103,450,905.33
  6. Step 6: Final answer
    x = 85,094,964.58

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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.