Home / 140,268,135.05-193,553,259.59-77,535,758.33

Finding the Fourth Proportional to 140,268,135.05, 193,553,259.59 and 77,535,758.33

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Solution

The fourth proportional to 140,268,135.05, 193,553,259.59 and 77,535,758.33 is: 106,990,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,268,135.05 : 193,553,259.59 = 77,535,758.33 : x
  2. Step 2: Convert to fraction form
    140,268,135.05/193,553,259.59 = 77,535,758.33/x
  3. Step 3: Cross multiply
    140,268,135.05x = 193,553,259.59 × 77,535,758.33
  4. Step 4: Simplify right side
    140,268,135.05x = 15,007,298,759,166,316
  5. Step 5: Solve for x
    x = 15,007,298,759,166,316/140,268,135.05
  6. Step 6: Final answer
    x = 106,990,078.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.