Home / 138,808,236.61-206,971,372.60-134,994,566.19

Finding the Fourth Proportional to 138,808,236.61, 206,971,372.60 and 134,994,566.19

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Solution

The fourth proportional to 138,808,236.61, 206,971,372.60 and 134,994,566.19 is: 201,284,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,808,236.61 : 206,971,372.60 = 134,994,566.19 : x
  2. Step 2: Convert to fraction form
    138,808,236.61/206,971,372.60 = 134,994,566.19/x
  3. Step 3: Cross multiply
    138,808,236.61x = 206,971,372.60 × 134,994,566.19
  4. Step 4: Simplify right side
    138,808,236.61x = 27,940,010,657,885,852
  5. Step 5: Solve for x
    x = 27,940,010,657,885,852/138,808,236.61
  6. Step 6: Final answer
    x = 201,284,962.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.