Home / 260,776,253.60-391,164,380.40-157,464,123.20

Finding the Fourth Proportional to 260,776,253.60, 391,164,380.40 and 157,464,123.20

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Solution

The fourth proportional to 260,776,253.60, 391,164,380.40 and 157,464,123.20 is: 236,196,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,776,253.60 : 391,164,380.40 = 157,464,123.20 : x
  2. Step 2: Convert to fraction form
    260,776,253.60/391,164,380.40 = 157,464,123.20/x
  3. Step 3: Cross multiply
    260,776,253.60x = 391,164,380.40 × 157,464,123.20
  4. Step 4: Simplify right side
    260,776,253.60x = 61,594,356,186,757,256
  5. Step 5: Solve for x
    x = 61,594,356,186,757,256/260,776,253.60
  6. Step 6: Final answer
    x = 236,196,184.80

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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.