Home / 121,336,187.60-182,004,281.40-87,323,963.60

Finding the Fourth Proportional to 121,336,187.60, 182,004,281.40 and 87,323,963.60

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Solution

The fourth proportional to 121,336,187.60, 182,004,281.40 and 87,323,963.60 is: 130,985,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,336,187.60 : 182,004,281.40 = 87,323,963.60 : x
  2. Step 2: Convert to fraction form
    121,336,187.60/182,004,281.40 = 87,323,963.60/x
  3. Step 3: Cross multiply
    121,336,187.60x = 182,004,281.40 × 87,323,963.60
  4. Step 4: Simplify right side
    121,336,187.60x = 15,893,335,244,017,756
  5. Step 5: Solve for x
    x = 15,893,335,244,017,756/121,336,187.60
  6. Step 6: Final answer
    x = 130,985,945.40

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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.