Home / 53,402,081.68-73,696,321.80-30,200,678.20

Finding the Fourth Proportional to 53,402,081.68, 73,696,321.80 and 30,200,678.20

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Solution

The fourth proportional to 53,402,081.68, 73,696,321.80 and 30,200,678.20 is: 41,677,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,402,081.68 : 73,696,321.80 = 30,200,678.20 : x
  2. Step 2: Convert to fraction form
    53,402,081.68/73,696,321.80 = 30,200,678.20/x
  3. Step 3: Cross multiply
    53,402,081.68x = 73,696,321.80 × 30,200,678.20
  4. Step 4: Simplify right side
    53,402,081.68x = 2,225,678,899,205,444.50
  5. Step 5: Solve for x
    x = 2,225,678,899,205,444.50/53,402,081.68
  6. Step 6: Final answer
    x = 41,677,755.42

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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.