Home / 289,732,592.20-434,449,589.10-107,886,166.60

Finding the Fourth Proportional to 289,732,592.20, 434,449,589.10 and 107,886,166.60

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Solution

The fourth proportional to 289,732,592.20, 434,449,589.10 and 107,886,166.60 is: 161,773,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,732,592.20 : 434,449,589.10 = 107,886,166.60 : x
  2. Step 2: Convert to fraction form
    289,732,592.20/434,449,589.10 = 107,886,166.60/x
  3. Step 3: Cross multiply
    289,732,592.20x = 434,449,589.10 × 107,886,166.60
  4. Step 4: Simplify right side
    289,732,592.20x = 46,871,100,748,944,144
  5. Step 5: Solve for x
    x = 46,871,100,748,944,144/289,732,592.20
  6. Step 6: Final answer
    x = 161,773,656.16

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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.