Home / 78,707,192.37-108,616,302.72-43,424,995.70

Finding the Fourth Proportional to 78,707,192.37, 108,616,302.72 and 43,424,995.70

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Solution

The fourth proportional to 78,707,192.37, 108,616,302.72 and 43,424,995.70 is: 59,926,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,707,192.37 : 108,616,302.72 = 43,424,995.70 : x
  2. Step 2: Convert to fraction form
    78,707,192.37/108,616,302.72 = 43,424,995.70/x
  3. Step 3: Cross multiply
    78,707,192.37x = 108,616,302.72 × 43,424,995.70
  4. Step 4: Simplify right side
    78,707,192.37x = 4,716,662,478,022,817
  5. Step 5: Solve for x
    x = 4,716,662,478,022,817/78,707,192.37
  6. Step 6: Final answer
    x = 59,926,702.20

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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.