Home / 81,798,681,476.61-122,710,290,579.75-28,730,361,026.61

Finding the Fourth Proportional to 81,798,681,476.61, 122,710,290,579.75 and 28,730,361,026.61

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Solution

The fourth proportional to 81,798,681,476.61, 122,710,290,579.75 and 28,730,361,026.61 is: 43,099,850,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,798,681,476.61 : 122,710,290,579.75 = 28,730,361,026.61 : x
  2. Step 2: Convert to fraction form
    81,798,681,476.61/122,710,290,579.75 = 28,730,361,026.61/x
  3. Step 3: Cross multiply
    81,798,681,476.61x = 122,710,290,579.75 × 28,730,361,026.61
  4. Step 4: Simplify right side
    81,798,681,476.61x = 3,525,510,950,036,437,467,136
  5. Step 5: Solve for x
    x = 3,525,510,950,036,437,467,136/81,798,681,476.61
  6. Step 6: Final answer
    x = 43,099,850,589.21

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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.