Home / 79,744,160-110,046,985.08-43,074,731.36

Finding the Fourth Proportional to 79,744,160, 110,046,985.08 and 43,074,731.36

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Solution

The fourth proportional to 79,744,160, 110,046,985.08 and 43,074,731.36 is: 59,443,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744,160 : 110,046,985.08 = 43,074,731.36 : x
  2. Step 2: Convert to fraction form
    79,744,160/110,046,985.08 = 43,074,731.36/x
  3. Step 3: Cross multiply
    79,744,160x = 110,046,985.08 × 43,074,731.36
  4. Step 4: Simplify right side
    79,744,160x = 4,740,244,319,298,928
  5. Step 5: Solve for x
    x = 4,740,244,319,298,928/79,744,160
  6. Step 6: Final answer
    x = 59,443,153.20

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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.