Home / 71,608,497.18-98,831,577.51-42,247,008.06

Finding the Fourth Proportional to 71,608,497.18, 98,831,577.51 and 42,247,008.06

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Solution

The fourth proportional to 71,608,497.18, 98,831,577.51 and 42,247,008.06 is: 58,307,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,608,497.18 : 98,831,577.51 = 42,247,008.06 : x
  2. Step 2: Convert to fraction form
    71,608,497.18/98,831,577.51 = 42,247,008.06/x
  3. Step 3: Cross multiply
    71,608,497.18x = 98,831,577.51 × 42,247,008.06
  4. Step 4: Simplify right side
    71,608,497.18x = 4,175,338,451,647,485
  5. Step 5: Solve for x
    x = 4,175,338,451,647,485/71,608,497.18
  6. Step 6: Final answer
    x = 58,307,863.12

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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.