Home / 145,545,261.45-200,828,765.53-85,998,261.74

Finding the Fourth Proportional to 145,545,261.45, 200,828,765.53 and 85,998,261.74

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Solution

The fourth proportional to 145,545,261.45, 200,828,765.53 and 85,998,261.74 is: 118,663,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,545,261.45 : 200,828,765.53 = 85,998,261.74 : x
  2. Step 2: Convert to fraction form
    145,545,261.45/200,828,765.53 = 85,998,261.74/x
  3. Step 3: Cross multiply
    145,545,261.45x = 200,828,765.53 × 85,998,261.74
  4. Step 4: Simplify right side
    145,545,261.45x = 17,270,924,741,589,214
  5. Step 5: Solve for x
    x = 17,270,924,741,589,214/145,545,261.45
  6. Step 6: Final answer
    x = 118,663,600.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.