Home / 130,639,982.51-195,964,218.03-38,515,995.20

Finding the Fourth Proportional to 130,639,982.51, 195,964,218.03 and 38,515,995.20

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Solution

The fourth proportional to 130,639,982.51, 195,964,218.03 and 38,515,995.20 is: 57,775,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,639,982.51 : 195,964,218.03 = 38,515,995.20 : x
  2. Step 2: Convert to fraction form
    130,639,982.51/195,964,218.03 = 38,515,995.20/x
  3. Step 3: Cross multiply
    130,639,982.51x = 195,964,218.03 × 38,515,995.20
  4. Step 4: Simplify right side
    130,639,982.51x = 7,547,756,880,035,412
  5. Step 5: Solve for x
    x = 7,547,756,880,035,412/130,639,982.51
  6. Step 6: Final answer
    x = 57,775,244.11

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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.