Home / 66,017,712.60-99,026,076.83-19,959,492.60

Finding the Fourth Proportional to 66,017,712.60, 99,026,076.83 and 19,959,492.60

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Solution

The fourth proportional to 66,017,712.60, 99,026,076.83 and 19,959,492.60 is: 29,939,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,017,712.60 : 99,026,076.83 = 19,959,492.60 : x
  2. Step 2: Convert to fraction form
    66,017,712.60/99,026,076.83 = 19,959,492.60/x
  3. Step 3: Cross multiply
    66,017,712.60x = 99,026,076.83 × 19,959,492.60
  4. Step 4: Simplify right side
    66,017,712.60x = 1,976,510,247,595,619.25
  5. Step 5: Solve for x
    x = 1,976,510,247,595,619.25/66,017,712.60
  6. Step 6: Final answer
    x = 29,939,090.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.