Home / 193,550,642.60-290,325,963.90-85,845,266.60

Finding the Fourth Proportional to 193,550,642.60, 290,325,963.90 and 85,845,266.60

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Solution

The fourth proportional to 193,550,642.60, 290,325,963.90 and 85,845,266.60 is: 128,767,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,550,642.60 : 290,325,963.90 = 85,845,266.60 : x
  2. Step 2: Convert to fraction form
    193,550,642.60/290,325,963.90 = 85,845,266.60/x
  3. Step 3: Cross multiply
    193,550,642.60x = 290,325,963.90 × 85,845,266.60
  4. Step 4: Simplify right side
    193,550,642.60x = 24,923,109,771,897,472
  5. Step 5: Solve for x
    x = 24,923,109,771,897,472/193,550,642.60
  6. Step 6: Final answer
    x = 128,767,899.90

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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.