Home / 109,836,024.60-164,754,036.90-66,789,643.80

Finding the Fourth Proportional to 109,836,024.60, 164,754,036.90 and 66,789,643.80

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Solution

The fourth proportional to 109,836,024.60, 164,754,036.90 and 66,789,643.80 is: 100,184,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,836,024.60 : 164,754,036.90 = 66,789,643.80 : x
  2. Step 2: Convert to fraction form
    109,836,024.60/164,754,036.90 = 66,789,643.80/x
  3. Step 3: Cross multiply
    109,836,024.60x = 164,754,036.90 × 66,789,643.80
  4. Step 4: Simplify right side
    109,836,024.60x = 11,003,863,439,163,056
  5. Step 5: Solve for x
    x = 11,003,863,439,163,056/109,836,024.60
  6. Step 6: Final answer
    x = 100,184,465.70

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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.