Home / 363,458,363.09-545,198,634.95-142,120,862.96

Finding the Fourth Proportional to 363,458,363.09, 545,198,634.95 and 142,120,862.96

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Solution

The fourth proportional to 363,458,363.09, 545,198,634.95 and 142,120,862.96 is: 213,185,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,458,363.09 : 545,198,634.95 = 142,120,862.96 : x
  2. Step 2: Convert to fraction form
    363,458,363.09/545,198,634.95 = 142,120,862.96/x
  3. Step 3: Cross multiply
    363,458,363.09x = 545,198,634.95 × 142,120,862.96
  4. Step 4: Simplify right side
    363,458,363.09x = 77,484,100,480,271,440
  5. Step 5: Solve for x
    x = 77,484,100,480,271,440/363,458,363.09
  6. Step 6: Final answer
    x = 213,185,631.01

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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.