Home / 260,776,136.60-391,164,204.90-157,464,006.20

Finding the Fourth Proportional to 260,776,136.60, 391,164,204.90 and 157,464,006.20

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Solution

The fourth proportional to 260,776,136.60, 391,164,204.90 and 157,464,006.20 is: 236,196,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,776,136.60 : 391,164,204.90 = 157,464,006.20 : x
  2. Step 2: Convert to fraction form
    260,776,136.60/391,164,204.90 = 157,464,006.20/x
  3. Step 3: Cross multiply
    260,776,136.60x = 391,164,204.90 × 157,464,006.20
  4. Step 4: Simplify right side
    260,776,136.60x = 61,594,282,785,591,664
  5. Step 5: Solve for x
    x = 61,594,282,785,591,664/260,776,136.60
  6. Step 6: Final answer
    x = 236,196,009.30

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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.