Home / 202,275,875,185.08-279,105,229,656.90-115,428,792,717.18

Finding the Fourth Proportional to 202,275,875,185.08, 279,105,229,656.90 and 115,428,792,717.18

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Solution

The fourth proportional to 202,275,875,185.08, 279,105,229,656.90 and 115,428,792,717.18 is: 159,271,488,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,275,875,185.08 : 279,105,229,656.90 = 115,428,792,717.18 : x
  2. Step 2: Convert to fraction form
    202,275,875,185.08/279,105,229,656.90 = 115,428,792,717.18/x
  3. Step 3: Cross multiply
    202,275,875,185.08x = 279,105,229,656.90 × 115,428,792,717.18
  4. Step 4: Simplify right side
    202,275,875,185.08x = 32,216,779,700,347,229,700,096
  5. Step 5: Solve for x
    x = 32,216,779,700,347,229,700,096/202,275,875,185.08
  6. Step 6: Final answer
    x = 159,271,488,361.47

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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.