Home / 56,514,931.20-84,772,396.80-20,164,366.80

Finding the Fourth Proportional to 56,514,931.20, 84,772,396.80 and 20,164,366.80

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Solution

The fourth proportional to 56,514,931.20, 84,772,396.80 and 20,164,366.80 is: 30,246,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,514,931.20 : 84,772,396.80 = 20,164,366.80 : x
  2. Step 2: Convert to fraction form
    56,514,931.20/84,772,396.80 = 20,164,366.80/x
  3. Step 3: Cross multiply
    56,514,931.20x = 84,772,396.80 × 20,164,366.80
  4. Step 4: Simplify right side
    56,514,931.20x = 1,709,381,703,590,346.25
  5. Step 5: Solve for x
    x = 1,709,381,703,590,346.25/56,514,931.20
  6. Step 6: Final answer
    x = 30,246,550.20

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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.