Home / 56,806,232.80-85,209,349.20-18,468,997.60

Finding the Fourth Proportional to 56,806,232.80, 85,209,349.20 and 18,468,997.60

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Solution

The fourth proportional to 56,806,232.80, 85,209,349.20 and 18,468,997.60 is: 27,703,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,806,232.80 : 85,209,349.20 = 18,468,997.60 : x
  2. Step 2: Convert to fraction form
    56,806,232.80/85,209,349.20 = 18,468,997.60/x
  3. Step 3: Cross multiply
    56,806,232.80x = 85,209,349.20 × 18,468,997.60
  4. Step 4: Simplify right side
    56,806,232.80x = 1,573,731,265,872,362
  5. Step 5: Solve for x
    x = 1,573,731,265,872,362/56,806,232.80
  6. Step 6: Final answer
    x = 27,703,496.40

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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.