Home / 68,616,667.90-102,830,523.45-45,521,947.90

Finding the Fourth Proportional to 68,616,667.90, 102,830,523.45 and 45,521,947.90

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Solution

The fourth proportional to 68,616,667.90, 102,830,523.45 and 45,521,947.90 is: 68,220,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,616,667.90 : 102,830,523.45 = 45,521,947.90 : x
  2. Step 2: Convert to fraction form
    68,616,667.90/102,830,523.45 = 45,521,947.90/x
  3. Step 3: Cross multiply
    68,616,667.90x = 102,830,523.45 × 45,521,947.90
  4. Step 4: Simplify right side
    68,616,667.90x = 4,681,045,731,020,628
  5. Step 5: Solve for x
    x = 4,681,045,731,020,628/68,616,667.90
  6. Step 6: Final answer
    x = 68,220,242.61

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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.