Home / 125,306,881,024.80-187,960,321,537.20-42,589,152,256.80

Finding the Fourth Proportional to 125,306,881,024.80, 187,960,321,537.20 and 42,589,152,256.80

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Solution

The fourth proportional to 125,306,881,024.80, 187,960,321,537.20 and 42,589,152,256.80 is: 63,883,728,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,306,881,024.80 : 187,960,321,537.20 = 42,589,152,256.80 : x
  2. Step 2: Convert to fraction form
    125,306,881,024.80/187,960,321,537.20 = 42,589,152,256.80/x
  3. Step 3: Cross multiply
    125,306,881,024.80x = 187,960,321,537.20 × 42,589,152,256.80
  4. Step 4: Simplify right side
    125,306,881,024.80x = 8,005,070,752,184,895,799,296
  5. Step 5: Solve for x
    x = 8,005,070,752,184,895,799,296/125,306,881,024.80
  6. Step 6: Final answer
    x = 63,883,728,385.20

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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.