Home / 94,450,769.28-130,374,671.04-55,305,128.16

Finding the Fourth Proportional to 94,450,769.28, 130,374,671.04 and 55,305,128.16

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Solution

The fourth proportional to 94,450,769.28, 130,374,671.04 and 55,305,128.16 is: 76,340,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,450,769.28 : 130,374,671.04 = 55,305,128.16 : x
  2. Step 2: Convert to fraction form
    94,450,769.28/130,374,671.04 = 55,305,128.16/x
  3. Step 3: Cross multiply
    94,450,769.28x = 130,374,671.04 × 55,305,128.16
  4. Step 4: Simplify right side
    94,450,769.28x = 7,210,387,890,685,040
  5. Step 5: Solve for x
    x = 7,210,387,890,685,040/94,450,769.28
  6. Step 6: Final answer
    x = 76,340,171.14

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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.