Home / 81,999,381,796.29-122,800,445,636.54-56,746,336,078.17

Finding the Fourth Proportional to 81,999,381,796.29, 122,800,445,636.54 and 56,746,336,078.17

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Solution

The fourth proportional to 81,999,381,796.29, 122,800,445,636.54 and 56,746,336,078.17 is: 84,982,047,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,999,381,796.29 : 122,800,445,636.54 = 56,746,336,078.17 : x
  2. Step 2: Convert to fraction form
    81,999,381,796.29/122,800,445,636.54 = 56,746,336,078.17/x
  3. Step 3: Cross multiply
    81,999,381,796.29x = 122,800,445,636.54 × 56,746,336,078.17
  4. Step 4: Simplify right side
    81,999,381,796.29x = 6,968,475,358,640,142,811,136
  5. Step 5: Solve for x
    x = 6,968,475,358,640,142,811,136/81,999,381,796.29
  6. Step 6: Final answer
    x = 84,982,047,498.26

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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.