Home / 75,303,907.80-112,955,861.70-52,345,656.60

Finding the Fourth Proportional to 75,303,907.80, 112,955,861.70 and 52,345,656.60

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Solution

The fourth proportional to 75,303,907.80, 112,955,861.70 and 52,345,656.60 is: 78,518,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303,907.80 : 112,955,861.70 = 52,345,656.60 : x
  2. Step 2: Convert to fraction form
    75,303,907.80/112,955,861.70 = 52,345,656.60/x
  3. Step 3: Cross multiply
    75,303,907.80x = 112,955,861.70 × 52,345,656.60
  4. Step 4: Simplify right side
    75,303,907.80x = 5,912,748,747,505,293
  5. Step 5: Solve for x
    x = 5,912,748,747,505,293/75,303,907.80
  6. Step 6: Final answer
    x = 78,518,484.90

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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.