Home / 119,725,161.60-179,139,326.40-85,261,238.40

Finding the Fourth Proportional to 119,725,161.60, 179,139,326.40 and 85,261,238.40

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Solution

The fourth proportional to 119,725,161.60, 179,139,326.40 and 85,261,238.40 is: 127,572,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,725,161.60 : 179,139,326.40 = 85,261,238.40 : x
  2. Step 2: Convert to fraction form
    119,725,161.60/179,139,326.40 = 85,261,238.40/x
  3. Step 3: Cross multiply
    119,725,161.60x = 179,139,326.40 × 85,261,238.40
  4. Step 4: Simplify right side
    119,725,161.60x = 15,273,640,815,005,816
  5. Step 5: Solve for x
    x = 15,273,640,815,005,816/119,725,161.60
  6. Step 6: Final answer
    x = 127,572,522.02

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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.