Home / 193,535,999.10-290,303,998.65-85,830,623.10

Finding the Fourth Proportional to 193,535,999.10, 290,303,998.65 and 85,830,623.10

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Solution

The fourth proportional to 193,535,999.10, 290,303,998.65 and 85,830,623.10 is: 128,745,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,535,999.10 : 290,303,998.65 = 85,830,623.10 : x
  2. Step 2: Convert to fraction form
    193,535,999.10/290,303,998.65 = 85,830,623.10/x
  3. Step 3: Cross multiply
    193,535,999.10x = 290,303,998.65 × 85,830,623.10
  4. Step 4: Simplify right side
    193,535,999.10x = 24,916,973,092,551,056
  5. Step 5: Solve for x
    x = 24,916,973,092,551,056/193,535,999.10
  6. Step 6: Final answer
    x = 128,745,934.65

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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.