Home / 279,448,983.48-385,630,553.52-160,391,172.36

Finding the Fourth Proportional to 279,448,983.48, 385,630,553.52 and 160,391,172.36

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Solution

The fourth proportional to 279,448,983.48, 385,630,553.52 and 160,391,172.36 is: 221,334,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,448,983.48 : 385,630,553.52 = 160,391,172.36 : x
  2. Step 2: Convert to fraction form
    279,448,983.48/385,630,553.52 = 160,391,172.36/x
  3. Step 3: Cross multiply
    279,448,983.48x = 385,630,553.52 × 160,391,172.36
  4. Step 4: Simplify right side
    279,448,983.48x = 61,851,736,576,908,528
  5. Step 5: Solve for x
    x = 61,851,736,576,908,528/279,448,983.48
  6. Step 6: Final answer
    x = 221,334,627.19

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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.