Home / 193,428,187.20-290,142,280.80-124,553,433.60

Finding the Fourth Proportional to 193,428,187.20, 290,142,280.80 and 124,553,433.60

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Solution

The fourth proportional to 193,428,187.20, 290,142,280.80 and 124,553,433.60 is: 186,830,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,428,187.20 : 290,142,280.80 = 124,553,433.60 : x
  2. Step 2: Convert to fraction form
    193,428,187.20/290,142,280.80 = 124,553,433.60/x
  3. Step 3: Cross multiply
    193,428,187.20x = 290,142,280.80 × 124,553,433.60
  4. Step 4: Simplify right side
    193,428,187.20x = 36,138,217,306,175,352
  5. Step 5: Solve for x
    x = 36,138,217,306,175,352/193,428,187.20
  6. Step 6: Final answer
    x = 186,830,150.40

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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.