Home / 130,640,020.34-195,964,274.51-38,516,033.37

Finding the Fourth Proportional to 130,640,020.34, 195,964,274.51 and 38,516,033.37

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Solution

The fourth proportional to 130,640,020.34, 195,964,274.51 and 38,516,033.37 is: 57,775,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,640,020.34 : 195,964,274.51 = 38,516,033.37 : x
  2. Step 2: Convert to fraction form
    130,640,020.34/195,964,274.51 = 38,516,033.37/x
  3. Step 3: Cross multiply
    130,640,020.34x = 195,964,274.51 × 38,516,033.37
  4. Step 4: Simplify right side
    130,640,020.34x = 7,547,766,536,162,420
  5. Step 5: Solve for x
    x = 7,547,766,536,162,420/130,640,020.34
  6. Step 6: Final answer
    x = 57,775,301.30

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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.