Home / 69,478,020.36-95,891,167.56-38,548,154.16

Finding the Fourth Proportional to 69,478,020.36, 95,891,167.56 and 38,548,154.16

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Solution

The fourth proportional to 69,478,020.36, 95,891,167.56 and 38,548,154.16 is: 53,202,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,478,020.36 : 95,891,167.56 = 38,548,154.16 : x
  2. Step 2: Convert to fraction form
    69,478,020.36/95,891,167.56 = 38,548,154.16/x
  3. Step 3: Cross multiply
    69,478,020.36x = 95,891,167.56 × 38,548,154.16
  4. Step 4: Simplify right side
    69,478,020.36x = 3,696,427,509,685,271
  5. Step 5: Solve for x
    x = 3,696,427,509,685,271/69,478,020.36
  6. Step 6: Final answer
    x = 53,202,832.93

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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.