Home / 103,959,491.58-143,465,790.06-56,915,771.04

Finding the Fourth Proportional to 103,959,491.58, 143,465,790.06 and 56,915,771.04

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Solution

The fourth proportional to 103,959,491.58, 143,465,790.06 and 56,915,771.04 is: 78,544,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,959,491.58 : 143,465,790.06 = 56,915,771.04 : x
  2. Step 2: Convert to fraction form
    103,959,491.58/143,465,790.06 = 56,915,771.04/x
  3. Step 3: Cross multiply
    103,959,491.58x = 143,465,790.06 × 56,915,771.04
  4. Step 4: Simplify right side
    103,959,491.58x = 8,165,466,059,127,668
  5. Step 5: Solve for x
    x = 8,165,466,059,127,668/103,959,491.58
  6. Step 6: Final answer
    x = 78,544,690.20

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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.