Home / 289,652,375.91-434,671,750.83-105,419,800.74

Finding the Fourth Proportional to 289,652,375.91, 434,671,750.83 and 105,419,800.74

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Solution

The fourth proportional to 289,652,375.91, 434,671,750.83 and 105,419,800.74 is: 158,200,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,652,375.91 : 434,671,750.83 = 105,419,800.74 : x
  2. Step 2: Convert to fraction form
    289,652,375.91/434,671,750.83 = 105,419,800.74/x
  3. Step 3: Cross multiply
    289,652,375.91x = 434,671,750.83 × 105,419,800.74
  4. Step 4: Simplify right side
    289,652,375.91x = 45,823,009,359,805,528
  5. Step 5: Solve for x
    x = 45,823,009,359,805,528/289,652,375.91
  6. Step 6: Final answer
    x = 158,200,012.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.