Home / 79,945,886.63-119,963,171.30-39,005,662.16

Finding the Fourth Proportional to 79,945,886.63, 119,963,171.30 and 39,005,662.16

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Solution

The fourth proportional to 79,945,886.63, 119,963,171.30 and 39,005,662.16 is: 58,530,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945,886.63 : 119,963,171.30 = 39,005,662.16 : x
  2. Step 2: Convert to fraction form
    79,945,886.63/119,963,171.30 = 39,005,662.16/x
  3. Step 3: Cross multiply
    79,945,886.63x = 119,963,171.30 × 39,005,662.16
  4. Step 4: Simplify right side
    79,945,886.63x = 4,679,242,931,370,007
  5. Step 5: Solve for x
    x = 4,679,242,931,370,007/79,945,886.63
  6. Step 6: Final answer
    x = 58,530,127.42

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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.