Home / 79,680,381.90-109,959,154.72-46,196,368.16

Finding the Fourth Proportional to 79,680,381.90, 109,959,154.72 and 46,196,368.16

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Solution

The fourth proportional to 79,680,381.90, 109,959,154.72 and 46,196,368.16 is: 63,751,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,680,381.90 : 109,959,154.72 = 46,196,368.16 : x
  2. Step 2: Convert to fraction form
    79,680,381.90/109,959,154.72 = 46,196,368.16/x
  3. Step 3: Cross multiply
    79,680,381.90x = 109,959,154.72 × 46,196,368.16
  4. Step 4: Simplify right side
    79,680,381.90x = 5,079,713,594,007,521
  5. Step 5: Solve for x
    x = 5,079,713,594,007,521/79,680,381.90
  6. Step 6: Final answer
    x = 63,751,120.07

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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.