Home / 159,903,628.16-220,667,080.80-86,564,770.24

Finding the Fourth Proportional to 159,903,628.16, 220,667,080.80 and 86,564,770.24

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Solution

The fourth proportional to 159,903,628.16, 220,667,080.80 and 86,564,770.24 is: 119,459,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,903,628.16 : 220,667,080.80 = 86,564,770.24 : x
  2. Step 2: Convert to fraction form
    159,903,628.16/220,667,080.80 = 86,564,770.24/x
  3. Step 3: Cross multiply
    159,903,628.16x = 220,667,080.80 × 86,564,770.24
  4. Step 4: Simplify right side
    159,903,628.16x = 19,101,995,148,983,516
  5. Step 5: Solve for x
    x = 19,101,995,148,983,516/159,903,628.16
  6. Step 6: Final answer
    x = 119,459,422.96

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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.