Home / 172,985,009.90-238,716,122.27-94,666,992.59

Finding the Fourth Proportional to 172,985,009.90, 238,716,122.27 and 94,666,992.59

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Solution

The fourth proportional to 172,985,009.90, 238,716,122.27 and 94,666,992.59 is: 130,638,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,985,009.90 : 238,716,122.27 = 94,666,992.59 : x
  2. Step 2: Convert to fraction form
    172,985,009.90/238,716,122.27 = 94,666,992.59/x
  3. Step 3: Cross multiply
    172,985,009.90x = 238,716,122.27 × 94,666,992.59
  4. Step 4: Simplify right side
    172,985,009.90x = 22,598,537,376,380,704
  5. Step 5: Solve for x
    x = 22,598,537,376,380,704/172,985,009.90
  6. Step 6: Final answer
    x = 130,638,703.26

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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.