Home / 208,701,281.80-312,957,444.30-79,265,873.80

Finding the Fourth Proportional to 208,701,281.80, 312,957,444.30 and 79,265,873.80

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Solution

The fourth proportional to 208,701,281.80, 312,957,444.30 and 79,265,873.80 is: 118,862,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,701,281.80 : 312,957,444.30 = 79,265,873.80 : x
  2. Step 2: Convert to fraction form
    208,701,281.80/312,957,444.30 = 79,265,873.80/x
  3. Step 3: Cross multiply
    208,701,281.80x = 312,957,444.30 × 79,265,873.80
  4. Step 4: Simplify right side
    208,701,281.80x = 24,806,845,284,654,328
  5. Step 5: Solve for x
    x = 24,806,845,284,654,328/208,701,281.80
  6. Step 6: Final answer
    x = 118,862,927.29

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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.