Home / 81,798,681,473.61-122,710,290,575.26-28,730,361,023.60

Finding the Fourth Proportional to 81,798,681,473.61, 122,710,290,575.26 and 28,730,361,023.60

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Solution

The fourth proportional to 81,798,681,473.61, 122,710,290,575.26 and 28,730,361,023.60 is: 43,099,850,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,798,681,473.61 : 122,710,290,575.26 = 28,730,361,023.60 : x
  2. Step 2: Convert to fraction form
    81,798,681,473.61/122,710,290,575.26 = 28,730,361,023.60/x
  3. Step 3: Cross multiply
    81,798,681,473.61x = 122,710,290,575.26 × 28,730,361,023.60
  4. Step 4: Simplify right side
    81,798,681,473.61x = 3,525,510,949,538,570,960,896
  5. Step 5: Solve for x
    x = 3,525,510,949,538,570,960,896/81,798,681,473.61
  6. Step 6: Final answer
    x = 43,099,850,584.70

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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.