Home / 279,322,866.72-385,477,503.12-155,563,524

Finding the Fourth Proportional to 279,322,866.72, 385,477,503.12 and 155,563,524

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Solution

The fourth proportional to 279,322,866.72, 385,477,503.12 and 155,563,524 is: 214,684,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,322,866.72 : 385,477,503.12 = 155,563,524 : x
  2. Step 2: Convert to fraction form
    279,322,866.72/385,477,503.12 = 155,563,524/x
  3. Step 3: Cross multiply
    279,322,866.72x = 385,477,503.12 × 155,563,524
  4. Step 4: Simplify right side
    279,322,866.72x = 59,966,238,808,068,192
  5. Step 5: Solve for x
    x = 59,966,238,808,068,192/279,322,866.72
  6. Step 6: Final answer
    x = 214,684,316.80

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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.