Home / 195,828,712,012.80-293,815,627,430.40-78,137,347,046.40

Finding the Fourth Proportional to 195,828,712,012.80, 293,815,627,430.40 and 78,137,347,046.40

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Solution

The fourth proportional to 195,828,712,012.80, 293,815,627,430.40 and 78,137,347,046.40 is: 117,234,972,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,828,712,012.80 : 293,815,627,430.40 = 78,137,347,046.40 : x
  2. Step 2: Convert to fraction form
    195,828,712,012.80/293,815,627,430.40 = 78,137,347,046.40/x
  3. Step 3: Cross multiply
    195,828,712,012.80x = 293,815,627,430.40 × 78,137,347,046.40
  4. Step 4: Simplify right side
    195,828,712,012.80x = 22,957,973,648,184,929,419,264
  5. Step 5: Solve for x
    x = 22,957,973,648,184,929,419,264/195,828,712,012.80
  6. Step 6: Final answer
    x = 117,234,972,401.21

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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.