Home / 172,490,603.12-238,035,787.63-94,174,156.41

Finding the Fourth Proportional to 172,490,603.12, 238,035,787.63 and 94,174,156.41

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Solution

The fourth proportional to 172,490,603.12, 238,035,787.63 and 94,174,156.41 is: 129,959,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,490,603.12 : 238,035,787.63 = 94,174,156.41 : x
  2. Step 2: Convert to fraction form
    172,490,603.12/238,035,787.63 = 94,174,156.41/x
  3. Step 3: Cross multiply
    172,490,603.12x = 238,035,787.63 × 94,174,156.41
  4. Step 4: Simplify right side
    172,490,603.12x = 22,416,819,494,317,092
  5. Step 5: Solve for x
    x = 22,416,819,494,317,092/172,490,603.12
  6. Step 6: Final answer
    x = 129,959,656.29

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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.