Home / 200,985,947.60-301,478,921.40-187,549,019.60

Finding the Fourth Proportional to 200,985,947.60, 301,478,921.40 and 187,549,019.60

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Solution

The fourth proportional to 200,985,947.60, 301,478,921.40 and 187,549,019.60 is: 281,323,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,985,947.60 : 301,478,921.40 = 187,549,019.60 : x
  2. Step 2: Convert to fraction form
    200,985,947.60/301,478,921.40 = 187,549,019.60/x
  3. Step 3: Cross multiply
    200,985,947.60x = 301,478,921.40 × 187,549,019.60
  4. Step 4: Simplify right side
    200,985,947.60x = 56,542,076,138,635,456
  5. Step 5: Solve for x
    x = 56,542,076,138,635,456/200,985,947.60
  6. Step 6: Final answer
    x = 281,323,529.40

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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.