Home / 193,551,266.10-290,326,899.15-85,845,890.10

Finding the Fourth Proportional to 193,551,266.10, 290,326,899.15 and 85,845,890.10

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Solution

The fourth proportional to 193,551,266.10, 290,326,899.15 and 85,845,890.10 is: 128,768,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,551,266.10 : 290,326,899.15 = 85,845,890.10 : x
  2. Step 2: Convert to fraction form
    193,551,266.10/290,326,899.15 = 85,845,890.10/x
  3. Step 3: Cross multiply
    193,551,266.10x = 290,326,899.15 × 85,845,890.10
  4. Step 4: Simplify right side
    193,551,266.10x = 24,923,371,077,504,680
  5. Step 5: Solve for x
    x = 24,923,371,077,504,680/193,551,266.10
  6. Step 6: Final answer
    x = 128,768,835.15

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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.