Home / 190,972,627.20-286,458,940.80-61,584,458.40

Finding the Fourth Proportional to 190,972,627.20, 286,458,940.80 and 61,584,458.40

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Solution

The fourth proportional to 190,972,627.20, 286,458,940.80 and 61,584,458.40 is: 92,376,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,972,627.20 : 286,458,940.80 = 61,584,458.40 : x
  2. Step 2: Convert to fraction form
    190,972,627.20/286,458,940.80 = 61,584,458.40/x
  3. Step 3: Cross multiply
    190,972,627.20x = 286,458,940.80 × 61,584,458.40
  4. Step 4: Simplify right side
    190,972,627.20x = 17,641,418,723,005,664
  5. Step 5: Solve for x
    x = 17,641,418,723,005,664/190,972,627.20
  6. Step 6: Final answer
    x = 92,376,687.60

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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.