Home / 193,551,281.10-290,326,921.65-85,845,905.10

Finding the Fourth Proportional to 193,551,281.10, 290,326,921.65 and 85,845,905.10

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Solution

The fourth proportional to 193,551,281.10, 290,326,921.65 and 85,845,905.10 is: 128,768,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,551,281.10 : 290,326,921.65 = 85,845,905.10 : x
  2. Step 2: Convert to fraction form
    193,551,281.10/290,326,921.65 = 85,845,905.10/x
  3. Step 3: Cross multiply
    193,551,281.10x = 290,326,921.65 × 85,845,905.10
  4. Step 4: Simplify right side
    193,551,281.10x = 24,923,377,363,941,032
  5. Step 5: Solve for x
    x = 24,923,377,363,941,032/193,551,281.10
  6. Step 6: Final answer
    x = 128,768,857.65

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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.