Home / 233,090,038.08-321,660,380.88-128,665,408.32

Finding the Fourth Proportional to 233,090,038.08, 321,660,380.88 and 128,665,408.32

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Solution

The fourth proportional to 233,090,038.08, 321,660,380.88 and 128,665,408.32 is: 177,556,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,090,038.08 : 321,660,380.88 = 128,665,408.32 : x
  2. Step 2: Convert to fraction form
    233,090,038.08/321,660,380.88 = 128,665,408.32/x
  3. Step 3: Cross multiply
    233,090,038.08x = 321,660,380.88 × 128,665,408.32
  4. Step 4: Simplify right side
    233,090,038.08x = 41,386,564,246,291,920
  5. Step 5: Solve for x
    x = 41,386,564,246,291,920/233,090,038.08
  6. Step 6: Final answer
    x = 177,556,126.32

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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.