Home / 138,492,532.02-191,114,046.42-79,757,410.26

Finding the Fourth Proportional to 138,492,532.02, 191,114,046.42 and 79,757,410.26

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Solution

The fourth proportional to 138,492,532.02, 191,114,046.42 and 79,757,410.26 is: 110,061,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,492,532.02 : 191,114,046.42 = 79,757,410.26 : x
  2. Step 2: Convert to fraction form
    138,492,532.02/191,114,046.42 = 79,757,410.26/x
  3. Step 3: Cross multiply
    138,492,532.02x = 191,114,046.42 × 79,757,410.26
  4. Step 4: Simplify right side
    138,492,532.02x = 15,242,761,406,768,624
  5. Step 5: Solve for x
    x = 15,242,761,406,768,624/138,492,532.02
  6. Step 6: Final answer
    x = 110,061,973.63

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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.