Home / 142,808,896.08-197,080,433.64-80,927,177.04

Finding the Fourth Proportional to 142,808,896.08, 197,080,433.64 and 80,927,177.04

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Solution

The fourth proportional to 142,808,896.08, 197,080,433.64 and 80,927,177.04 is: 111,681,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,808,896.08 : 197,080,433.64 = 80,927,177.04 : x
  2. Step 2: Convert to fraction form
    142,808,896.08/197,080,433.64 = 80,927,177.04/x
  3. Step 3: Cross multiply
    142,808,896.08x = 197,080,433.64 × 80,927,177.04
  4. Step 4: Simplify right side
    142,808,896.08x = 15,949,163,144,304,252
  5. Step 5: Solve for x
    x = 15,949,163,144,304,252/142,808,896.08
  6. Step 6: Final answer
    x = 111,681,860.04

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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.