Home / 84,872,116-127,309,063.02-67,940,420.32

Finding the Fourth Proportional to 84,872,116, 127,309,063.02 and 67,940,420.32

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Solution

The fourth proportional to 84,872,116, 127,309,063.02 and 67,940,420.32 is: 101,911,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,872,116 : 127,309,063.02 = 67,940,420.32 : x
  2. Step 2: Convert to fraction form
    84,872,116/127,309,063.02 = 67,940,420.32/x
  3. Step 3: Cross multiply
    84,872,116x = 127,309,063.02 × 67,940,420.32
  4. Step 4: Simplify right side
    84,872,116x = 8,649,431,252,124,167
  5. Step 5: Solve for x
    x = 8,649,431,252,124,167/84,872,116
  6. Step 6: Final answer
    x = 101,911,342.14

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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.