Home / 289,652,374.91-434,671,749.33-105,419,799.74

Finding the Fourth Proportional to 289,652,374.91, 434,671,749.33 and 105,419,799.74

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Solution

The fourth proportional to 289,652,374.91, 434,671,749.33 and 105,419,799.74 is: 158,200,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,652,374.91 : 434,671,749.33 = 105,419,799.74 : x
  2. Step 2: Convert to fraction form
    289,652,374.91/434,671,749.33 = 105,419,799.74/x
  3. Step 3: Cross multiply
    289,652,374.91x = 434,671,749.33 × 105,419,799.74
  4. Step 4: Simplify right side
    289,652,374.91x = 45,823,008,767,695,440
  5. Step 5: Solve for x
    x = 45,823,008,767,695,440/289,652,374.91
  6. Step 6: Final answer
    x = 158,200,010.55

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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.