Home / 193,551,213.60-290,326,820.40-85,845,837.60

Finding the Fourth Proportional to 193,551,213.60, 290,326,820.40 and 85,845,837.60

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Solution

The fourth proportional to 193,551,213.60, 290,326,820.40 and 85,845,837.60 is: 128,768,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,551,213.60 : 290,326,820.40 = 85,845,837.60 : x
  2. Step 2: Convert to fraction form
    193,551,213.60/290,326,820.40 = 85,845,837.60/x
  3. Step 3: Cross multiply
    193,551,213.60x = 290,326,820.40 × 85,845,837.60
  4. Step 4: Simplify right side
    193,551,213.60x = 24,923,349,074,982,764
  5. Step 5: Solve for x
    x = 24,923,349,074,982,764/193,551,213.60
  6. Step 6: Final answer
    x = 128,768,756.40

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1.5x scale

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.