Home / 79,680,376.89-109,959,147.81-46,196,363.16

Finding the Fourth Proportional to 79,680,376.89, 109,959,147.81 and 46,196,363.16

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Solution

The fourth proportional to 79,680,376.89, 109,959,147.81 and 46,196,363.16 is: 63,751,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,680,376.89 : 109,959,147.81 = 46,196,363.16 : x
  2. Step 2: Convert to fraction form
    79,680,376.89/109,959,147.81 = 46,196,363.16/x
  3. Step 3: Cross multiply
    79,680,376.89x = 109,959,147.81 × 46,196,363.16
  4. Step 4: Simplify right side
    79,680,376.89x = 5,079,712,724,994,878
  5. Step 5: Solve for x
    x = 5,079,712,724,994,878/79,680,376.89
  6. Step 6: Final answer
    x = 63,751,113.18

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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.