Home / 138,586,364,971.92-207,846,262,698.12-63,984,670,886.16

Finding the Fourth Proportional to 138,586,364,971.92, 207,846,262,698.12 and 63,984,670,886.16

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Solution

The fourth proportional to 138,586,364,971.92, 207,846,262,698.12 and 63,984,670,886.16 is: 95,961,638,912.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,586,364,971.92 : 207,846,262,698.12 = 63,984,670,886.16 : x
  2. Step 2: Convert to fraction form
    138,586,364,971.92/207,846,262,698.12 = 63,984,670,886.16/x
  3. Step 3: Cross multiply
    138,586,364,971.92x = 207,846,262,698.12 × 63,984,670,886.16
  4. Step 4: Simplify right side
    138,586,364,971.92x = 13,298,974,713,657,562,234,880
  5. Step 5: Solve for x
    x = 13,298,974,713,657,562,234,880/138,586,364,971.92
  6. Step 6: Final answer
    x = 95,961,638,912.69

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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.