Home / 157,182,471,164.62-217,090,735,882.14-105,651,566,686.12

Finding the Fourth Proportional to 157,182,471,164.62, 217,090,735,882.14 and 105,651,566,686.12

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Solution

The fourth proportional to 157,182,471,164.62, 217,090,735,882.14 and 105,651,566,686.12 is: 145,919,428,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,182,471,164.62 : 217,090,735,882.14 = 105,651,566,686.12 : x
  2. Step 2: Convert to fraction form
    157,182,471,164.62/217,090,735,882.14 = 105,651,566,686.12/x
  3. Step 3: Cross multiply
    157,182,471,164.62x = 217,090,735,882.14 × 105,651,566,686.12
  4. Step 4: Simplify right side
    157,182,471,164.62x = 22,935,976,358,990,776,893,440
  5. Step 5: Solve for x
    x = 22,935,976,358,990,776,893,440/157,182,471,164.62
  6. Step 6: Final answer
    x = 145,919,428,477.30

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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.