Home / 157,182,471,165.62-217,090,735,883.52-105,651,566,687.12

Finding the Fourth Proportional to 157,182,471,165.62, 217,090,735,883.52 and 105,651,566,687.12

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Solution

The fourth proportional to 157,182,471,165.62, 217,090,735,883.52 and 105,651,566,687.12 is: 145,919,428,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,182,471,165.62 : 217,090,735,883.52 = 105,651,566,687.12 : x
  2. Step 2: Convert to fraction form
    157,182,471,165.62/217,090,735,883.52 = 105,651,566,687.12/x
  3. Step 3: Cross multiply
    157,182,471,165.62x = 217,090,735,883.52 × 105,651,566,687.12
  4. Step 4: Simplify right side
    157,182,471,165.62x = 22,935,976,359,353,663,881,216
  5. Step 5: Solve for x
    x = 22,935,976,359,353,663,881,216/157,182,471,165.62
  6. Step 6: Final answer
    x = 145,919,428,478.68

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1.5x scale

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.