Home / 138,389,817.06-190,946,273.13-82,624,405.86

Finding the Fourth Proportional to 138,389,817.06, 190,946,273.13 and 82,624,405.86

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Solution

The fourth proportional to 138,389,817.06, 190,946,273.13 and 82,624,405.86 is: 114,002,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,389,817.06 : 190,946,273.13 = 82,624,405.86 : x
  2. Step 2: Convert to fraction form
    138,389,817.06/190,946,273.13 = 82,624,405.86/x
  3. Step 3: Cross multiply
    138,389,817.06x = 190,946,273.13 × 82,624,405.86
  4. Step 4: Simplify right side
    138,389,817.06x = 15,776,822,368,547,532
  5. Step 5: Solve for x
    x = 15,776,822,368,547,532/138,389,817.06
  6. Step 6: Final answer
    x = 114,002,769.16

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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.