Home / 118,099,115.80-177,148,673.70-72,182,613.40

Finding the Fourth Proportional to 118,099,115.80, 177,148,673.70 and 72,182,613.40

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Solution

The fourth proportional to 118,099,115.80, 177,148,673.70 and 72,182,613.40 is: 108,273,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,099,115.80 : 177,148,673.70 = 72,182,613.40 : x
  2. Step 2: Convert to fraction form
    118,099,115.80/177,148,673.70 = 72,182,613.40/x
  3. Step 3: Cross multiply
    118,099,115.80x = 177,148,673.70 × 72,182,613.40
  4. Step 4: Simplify right side
    118,099,115.80x = 12,787,054,228,009,848
  5. Step 5: Solve for x
    x = 12,787,054,228,009,848/118,099,115.80
  6. Step 6: Final answer
    x = 108,273,920.10

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1.5x scale

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.