Home / 103,886,010.80-143,362,618.82-56,843,393.17

Finding the Fourth Proportional to 103,886,010.80, 143,362,618.82 and 56,843,393.17

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Solution

The fourth proportional to 103,886,010.80, 143,362,618.82 and 56,843,393.17 is: 78,443,840.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,886,010.80 : 143,362,618.82 = 56,843,393.17 : x
  2. Step 2: Convert to fraction form
    103,886,010.80/143,362,618.82 = 56,843,393.17/x
  3. Step 3: Cross multiply
    103,886,010.80x = 143,362,618.82 × 56,843,393.17
  4. Step 4: Simplify right side
    103,886,010.80x = 8,149,217,707,466,101
  5. Step 5: Solve for x
    x = 8,149,217,707,466,101/103,886,010.80
  6. Step 6: Final answer
    x = 78,443,840.94

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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.