Home / 79,721,322.60-110,015,424.54-43,051,890.36

Finding the Fourth Proportional to 79,721,322.60, 110,015,424.54 and 43,051,890.36

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Solution

The fourth proportional to 79,721,322.60, 110,015,424.54 and 43,051,890.36 is: 59,411,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,721,322.60 : 110,015,424.54 = 43,051,890.36 : x
  2. Step 2: Convert to fraction form
    79,721,322.60/110,015,424.54 = 43,051,890.36/x
  3. Step 3: Cross multiply
    79,721,322.60x = 110,015,424.54 × 43,051,890.36
  4. Step 4: Simplify right side
    79,721,322.60x = 4,736,371,995,204,934
  5. Step 5: Solve for x
    x = 4,736,371,995,204,934/79,721,322.60
  6. Step 6: Final answer
    x = 59,411,608.35

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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.