Home / 56,694,948.78-78,263,213.52-38,120,855.16

Finding the Fourth Proportional to 56,694,948.78, 78,263,213.52 and 38,120,855.16

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Solution

The fourth proportional to 56,694,948.78, 78,263,213.52 and 38,120,855.16 is: 52,623,041.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,694,948.78 : 78,263,213.52 = 38,120,855.16 : x
  2. Step 2: Convert to fraction form
    56,694,948.78/78,263,213.52 = 38,120,855.16/x
  3. Step 3: Cross multiply
    56,694,948.78x = 78,263,213.52 × 38,120,855.16
  4. Step 4: Simplify right side
    56,694,948.78x = 2,983,460,626,952,073.50
  5. Step 5: Solve for x
    x = 2,983,460,626,952,073.50/56,694,948.78
  6. Step 6: Final answer
    x = 52,623,041.23

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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.