Home / 103,886,011.80-143,362,620.20-56,843,394.17

Finding the Fourth Proportional to 103,886,011.80, 143,362,620.20 and 56,843,394.17

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Solution

The fourth proportional to 103,886,011.80, 143,362,620.20 and 56,843,394.17 is: 78,443,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,886,011.80 : 143,362,620.20 = 56,843,394.17 : x
  2. Step 2: Convert to fraction form
    103,886,011.80/143,362,620.20 = 56,843,394.17/x
  3. Step 3: Cross multiply
    103,886,011.80x = 143,362,620.20 × 56,843,394.17
  4. Step 4: Simplify right side
    103,886,011.80x = 8,149,217,929,272,604
  5. Step 5: Solve for x
    x = 8,149,217,929,272,604/103,886,011.80
  6. Step 6: Final answer
    x = 78,443,842.32

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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.