Home / 299,260,634.32-448,916,406.36-105,155,287.12

Finding the Fourth Proportional to 299,260,634.32, 448,916,406.36 and 105,155,287.12

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Solution

The fourth proportional to 299,260,634.32, 448,916,406.36 and 105,155,287.12 is: 157,741,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,260,634.32 : 448,916,406.36 = 105,155,287.12 : x
  2. Step 2: Convert to fraction form
    299,260,634.32/448,916,406.36 = 105,155,287.12/x
  3. Step 3: Cross multiply
    299,260,634.32x = 448,916,406.36 × 105,155,287.12
  4. Step 4: Simplify right side
    299,260,634.32x = 47,205,933,603,664,400
  5. Step 5: Solve for x
    x = 47,205,933,603,664,400/299,260,634.32
  6. Step 6: Final answer
    x = 157,741,875.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.