Home / 289,439,810.40-434,033,744.40-95,276,200.80

Finding the Fourth Proportional to 289,439,810.40, 434,033,744.40 and 95,276,200.80

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Solution

The fourth proportional to 289,439,810.40, 434,033,744.40 and 95,276,200.80 is: 142,872,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,439,810.40 : 434,033,744.40 = 95,276,200.80 : x
  2. Step 2: Convert to fraction form
    289,439,810.40/434,033,744.40 = 95,276,200.80/x
  3. Step 3: Cross multiply
    289,439,810.40x = 434,033,744.40 × 95,276,200.80
  4. Step 4: Simplify right side
    289,439,810.40x = 41,353,086,185,430,272
  5. Step 5: Solve for x
    x = 41,353,086,185,430,272/289,439,810.40
  6. Step 6: Final answer
    x = 142,872,834.69

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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.