Home / 122,636,336.80-183,730,556.40-99,793,559.20

Finding the Fourth Proportional to 122,636,336.80, 183,730,556.40 and 99,793,559.20

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Solution

The fourth proportional to 122,636,336.80, 183,730,556.40 and 99,793,559.20 is: 149,508,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,636,336.80 : 183,730,556.40 = 99,793,559.20 : x
  2. Step 2: Convert to fraction form
    122,636,336.80/183,730,556.40 = 99,793,559.20/x
  3. Step 3: Cross multiply
    122,636,336.80x = 183,730,556.40 × 99,793,559.20
  4. Step 4: Simplify right side
    122,636,336.80x = 18,335,126,156,952,340
  5. Step 5: Solve for x
    x = 18,335,126,156,952,340/122,636,336.80
  6. Step 6: Final answer
    x = 149,508,103.68

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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.