Home / 193,643,263.20-290,464,894.80-178,862,642.40

Finding the Fourth Proportional to 193,643,263.20, 290,464,894.80 and 178,862,642.40

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Solution

The fourth proportional to 193,643,263.20, 290,464,894.80 and 178,862,642.40 is: 268,293,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,643,263.20 : 290,464,894.80 = 178,862,642.40 : x
  2. Step 2: Convert to fraction form
    193,643,263.20/290,464,894.80 = 178,862,642.40/x
  3. Step 3: Cross multiply
    193,643,263.20x = 290,464,894.80 × 178,862,642.40
  4. Step 4: Simplify right side
    193,643,263.20x = 51,953,318,608,366,024
  5. Step 5: Solve for x
    x = 51,953,318,608,366,024/193,643,263.20
  6. Step 6: Final answer
    x = 268,293,963.60

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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.