Home / 40,841,161.20-61,261,741.80-31,594,087.80

Finding the Fourth Proportional to 40,841,161.20, 61,261,741.80 and 31,594,087.80

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Solution

The fourth proportional to 40,841,161.20, 61,261,741.80 and 31,594,087.80 is: 47,391,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,841,161.20 : 61,261,741.80 = 31,594,087.80 : x
  2. Step 2: Convert to fraction form
    40,841,161.20/61,261,741.80 = 31,594,087.80/x
  3. Step 3: Cross multiply
    40,841,161.20x = 61,261,741.80 × 31,594,087.80
  4. Step 4: Simplify right side
    40,841,161.20x = 1,935,508,849,210,130
  5. Step 5: Solve for x
    x = 1,935,508,849,210,130/40,841,161.20
  6. Step 6: Final answer
    x = 47,391,131.70

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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.