Home / 172,467,955.17-238,006,745.15-98,128,514.14

Finding the Fourth Proportional to 172,467,955.17, 238,006,745.15 and 98,128,514.14

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Solution

The fourth proportional to 172,467,955.17, 238,006,745.15 and 98,128,514.14 is: 135,417,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,467,955.17 : 238,006,745.15 = 98,128,514.14 : x
  2. Step 2: Convert to fraction form
    172,467,955.17/238,006,745.15 = 98,128,514.14/x
  3. Step 3: Cross multiply
    172,467,955.17x = 238,006,745.15 × 98,128,514.14
  4. Step 4: Simplify right side
    172,467,955.17x = 23,355,248,255,781,492
  5. Step 5: Solve for x
    x = 23,355,248,255,781,492/172,467,955.17
  6. Step 6: Final answer
    x = 135,417,899.71

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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.