Home / 149,153,414,599.38-205,831,794,718.10-80,564,827,363.26

Finding the Fourth Proportional to 149,153,414,599.38, 205,831,794,718.10 and 80,564,827,363.26

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Solution

The fourth proportional to 149,153,414,599.38, 205,831,794,718.10 and 80,564,827,363.26 is: 111,179,506,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,153,414,599.38 : 205,831,794,718.10 = 80,564,827,363.26 : x
  2. Step 2: Convert to fraction form
    149,153,414,599.38/205,831,794,718.10 = 80,564,827,363.26/x
  3. Step 3: Cross multiply
    149,153,414,599.38x = 205,831,794,718.10 × 80,564,827,363.26
  4. Step 4: Simplify right side
    149,153,414,599.38x = 16,582,803,007,333,696,798,720
  5. Step 5: Solve for x
    x = 16,582,803,007,333,696,798,720/149,153,414,599.38
  6. Step 6: Final answer
    x = 111,179,506,361.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.