Home / 53,386,336.23-80,085,802.91-40,008,194.79

Finding the Fourth Proportional to 53,386,336.23, 80,085,802.91 and 40,008,194.79

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Solution

The fourth proportional to 53,386,336.23, 80,085,802.91 and 40,008,194.79 is: 60,017,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,386,336.23 : 80,085,802.91 = 40,008,194.79 : x
  2. Step 2: Convert to fraction form
    53,386,336.23/80,085,802.91 = 40,008,194.79/x
  3. Step 3: Cross multiply
    53,386,336.23x = 80,085,802.91 × 40,008,194.79
  4. Step 4: Simplify right side
    53,386,336.23x = 3,204,088,402,536,788
  5. Step 5: Solve for x
    x = 3,204,088,402,536,788/53,386,336.23
  6. Step 6: Final answer
    x = 60,017,012.38

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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.