Home / 109,619,443.20-164,429,164.80-64,232,486.40

Finding the Fourth Proportional to 109,619,443.20, 164,429,164.80 and 64,232,486.40

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Solution

The fourth proportional to 109,619,443.20, 164,429,164.80 and 64,232,486.40 is: 96,348,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619,443.20 : 164,429,164.80 = 64,232,486.40 : x
  2. Step 2: Convert to fraction form
    109,619,443.20/164,429,164.80 = 64,232,486.40/x
  3. Step 3: Cross multiply
    109,619,443.20x = 164,429,164.80 × 64,232,486.40
  4. Step 4: Simplify right side
    109,619,443.20x = 10,561,694,091,779,360
  5. Step 5: Solve for x
    x = 10,561,694,091,779,360/109,619,443.20
  6. Step 6: Final answer
    x = 96,348,729.60

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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.