Home / 136,566,623.90-188,461,538.36-73,842,274.72

Finding the Fourth Proportional to 136,566,623.90, 188,461,538.36 and 73,842,274.72

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Solution

The fourth proportional to 136,566,623.90, 188,461,538.36 and 73,842,274.72 is: 101,902,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,566,623.90 : 188,461,538.36 = 73,842,274.72 : x
  2. Step 2: Convert to fraction form
    136,566,623.90/188,461,538.36 = 73,842,274.72/x
  3. Step 3: Cross multiply
    136,566,623.90x = 188,461,538.36 × 73,842,274.72
  4. Step 4: Simplify right side
    136,566,623.90x = 13,916,428,689,876,210
  5. Step 5: Solve for x
    x = 13,916,428,689,876,210/136,566,623.90
  6. Step 6: Final answer
    x = 101,902,121.41

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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.