Home / 79,945,885.63-119,963,169.80-39,005,661.16

Finding the Fourth Proportional to 79,945,885.63, 119,963,169.80 and 39,005,661.16

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Solution

The fourth proportional to 79,945,885.63, 119,963,169.80 and 39,005,661.16 is: 58,530,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945,885.63 : 119,963,169.80 = 39,005,661.16 : x
  2. Step 2: Convert to fraction form
    79,945,885.63/119,963,169.80 = 39,005,661.16/x
  3. Step 3: Cross multiply
    79,945,885.63x = 119,963,169.80 × 39,005,661.16
  4. Step 4: Simplify right side
    79,945,885.63x = 4,679,242,752,695,951
  5. Step 5: Solve for x
    x = 4,679,242,752,695,951/79,945,885.63
  6. Step 6: Final answer
    x = 58,530,125.92

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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.