Home / 138,057,771,822.48-207,146,316,300.84-74,240,527,647.24

Finding the Fourth Proportional to 138,057,771,822.48, 207,146,316,300.84 and 74,240,527,647.24

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Solution

The fourth proportional to 138,057,771,822.48, 207,146,316,300.84 and 74,240,527,647.24 is: 111,392,872,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,057,771,822.48 : 207,146,316,300.84 = 74,240,527,647.24 : x
  2. Step 2: Convert to fraction form
    138,057,771,822.48/207,146,316,300.84 = 74,240,527,647.24/x
  3. Step 3: Cross multiply
    138,057,771,822.48x = 207,146,316,300.84 × 74,240,527,647.24
  4. Step 4: Simplify right side
    138,057,771,822.48x = 15,378,651,822,356,435,042,304
  5. Step 5: Solve for x
    x = 15,378,651,822,356,435,042,304/138,057,771,822.48
  6. Step 6: Final answer
    x = 111,392,872,848.41

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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.