Home / 279,070,119.75-385,121,663.51-151,914,455.13

Finding the Fourth Proportional to 279,070,119.75, 385,121,663.51 and 151,914,455.13

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Solution

The fourth proportional to 279,070,119.75, 385,121,663.51 and 151,914,455.13 is: 209,644,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,070,119.75 : 385,121,663.51 = 151,914,455.13 : x
  2. Step 2: Convert to fraction form
    279,070,119.75/385,121,663.51 = 151,914,455.13/x
  3. Step 3: Cross multiply
    279,070,119.75x = 385,121,663.51 × 151,914,455.13
  4. Step 4: Simplify right side
    279,070,119.75x = 58,505,547,670,121,280
  5. Step 5: Solve for x
    x = 58,505,547,670,121,280/279,070,119.75
  6. Step 6: Final answer
    x = 209,644,614.49

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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.