Home / 103,959,698.27-143,466,082.50-56,915,986.91

Finding the Fourth Proportional to 103,959,698.27, 143,466,082.50 and 56,915,986.91

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Solution

The fourth proportional to 103,959,698.27, 143,466,082.50 and 56,915,986.91 is: 78,544,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,959,698.27 : 143,466,082.50 = 56,915,986.91 : x
  2. Step 2: Convert to fraction form
    103,959,698.27/143,466,082.50 = 56,915,986.91/x
  3. Step 3: Cross multiply
    103,959,698.27x = 143,466,082.50 × 56,915,986.91
  4. Step 4: Simplify right side
    103,959,698.27x = 8,165,513,673,095,085
  5. Step 5: Solve for x
    x = 8,165,513,673,095,085/103,959,698.27
  6. Step 6: Final answer
    x = 78,544,992.04

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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.