Home / 289,744,459.20-434,616,688.80-95,685,825.60

Finding the Fourth Proportional to 289,744,459.20, 434,616,688.80 and 95,685,825.60

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Solution

The fourth proportional to 289,744,459.20, 434,616,688.80 and 95,685,825.60 is: 143,528,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,744,459.20 : 434,616,688.80 = 95,685,825.60 : x
  2. Step 2: Convert to fraction form
    289,744,459.20/434,616,688.80 = 95,685,825.60/x
  3. Step 3: Cross multiply
    289,744,459.20x = 434,616,688.80 × 95,685,825.60
  4. Step 4: Simplify right side
    289,744,459.20x = 41,586,656,687,366,272
  5. Step 5: Solve for x
    x = 41,586,656,687,366,272/289,744,459.20
  6. Step 6: Final answer
    x = 143,528,738.40

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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.