Home / 109,152,439.60-163,728,659.40-66,105,718.60

Finding the Fourth Proportional to 109,152,439.60, 163,728,659.40 and 66,105,718.60

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Solution

The fourth proportional to 109,152,439.60, 163,728,659.40 and 66,105,718.60 is: 99,158,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,152,439.60 : 163,728,659.40 = 66,105,718.60 : x
  2. Step 2: Convert to fraction form
    109,152,439.60/163,728,659.40 = 66,105,718.60/x
  3. Step 3: Cross multiply
    109,152,439.60x = 163,728,659.40 × 66,105,718.60
  4. Step 4: Simplify right side
    109,152,439.60x = 10,823,400,685,051,646
  5. Step 5: Solve for x
    x = 10,823,400,685,051,646/109,152,439.60
  6. Step 6: Final answer
    x = 99,158,577.90

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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.