Home / 252,572,556.80-378,780,103.20-99,265,606.40

Finding the Fourth Proportional to 252,572,556.80, 378,780,103.20 and 99,265,606.40

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Solution

The fourth proportional to 252,572,556.80, 378,780,103.20 and 99,265,606.40 is: 148,867,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,572,556.80 : 378,780,103.20 = 99,265,606.40 : x
  2. Step 2: Convert to fraction form
    252,572,556.80/378,780,103.20 = 99,265,606.40/x
  3. Step 3: Cross multiply
    252,572,556.80x = 378,780,103.20 × 99,265,606.40
  4. Step 4: Simplify right side
    252,572,556.80x = 37,599,836,636,402,584
  5. Step 5: Solve for x
    x = 37,599,836,636,402,584/252,572,556.80
  6. Step 6: Final answer
    x = 148,867,466.49

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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.