Home / 289,548,430.94-434,318,855.61-71,200,657.82

Finding the Fourth Proportional to 289,548,430.94, 434,318,855.61 and 71,200,657.82

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Solution

The fourth proportional to 289,548,430.94, 434,318,855.61 and 71,200,657.82 is: 106,800,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,548,430.94 : 434,318,855.61 = 71,200,657.82 : x
  2. Step 2: Convert to fraction form
    289,548,430.94/434,318,855.61 = 71,200,657.82/x
  3. Step 3: Cross multiply
    289,548,430.94x = 434,318,855.61 × 71,200,657.82
  4. Step 4: Simplify right side
    289,548,430.94x = 30,923,788,223,061,596
  5. Step 5: Solve for x
    x = 30,923,788,223,061,596/289,548,430.94
  6. Step 6: Final answer
    x = 106,800,054.56

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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.