Home / 289,037,158.96-398,877,212.28-163,589,352.88

Finding the Fourth Proportional to 289,037,158.96, 398,877,212.28 and 163,589,352.88

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Solution

The fourth proportional to 289,037,158.96, 398,877,212.28 and 163,589,352.88 is: 225,756,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,037,158.96 : 398,877,212.28 = 163,589,352.88 : x
  2. Step 2: Convert to fraction form
    289,037,158.96/398,877,212.28 = 163,589,352.88/x
  3. Step 3: Cross multiply
    289,037,158.96x = 398,877,212.28 × 163,589,352.88
  4. Step 4: Simplify right side
    289,037,158.96x = 65,252,065,035,463,584
  5. Step 5: Solve for x
    x = 65,252,065,035,463,584/289,037,158.96
  6. Step 6: Final answer
    x = 225,756,664.89

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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.