Home / 260,776,137.60-391,164,206.40-157,464,007.20

Finding the Fourth Proportional to 260,776,137.60, 391,164,206.40 and 157,464,007.20

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Solution

The fourth proportional to 260,776,137.60, 391,164,206.40 and 157,464,007.20 is: 236,196,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,776,137.60 : 391,164,206.40 = 157,464,007.20 : x
  2. Step 2: Convert to fraction form
    260,776,137.60/391,164,206.40 = 157,464,007.20/x
  3. Step 3: Cross multiply
    260,776,137.60x = 391,164,206.40 × 157,464,007.20
  4. Step 4: Simplify right side
    260,776,137.60x = 61,594,283,412,951,880
  5. Step 5: Solve for x
    x = 61,594,283,412,951,880/260,776,137.60
  6. Step 6: Final answer
    x = 236,196,010.80

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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.