Home / 118,218,296.30-163,151,333.05-66,017,416.60

Finding the Fourth Proportional to 118,218,296.30, 163,151,333.05 and 66,017,416.60

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Solution

The fourth proportional to 118,218,296.30, 163,151,333.05 and 66,017,416.60 is: 91,109,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,218,296.30 : 163,151,333.05 = 66,017,416.60 : x
  2. Step 2: Convert to fraction form
    118,218,296.30/163,151,333.05 = 66,017,416.60/x
  3. Step 3: Cross multiply
    118,218,296.30x = 163,151,333.05 × 66,017,416.60
  4. Step 4: Simplify right side
    118,218,296.30x = 10,770,829,522,374,794
  5. Step 5: Solve for x
    x = 10,770,829,522,374,794/118,218,296.30
  6. Step 6: Final answer
    x = 91,109,666.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.