Home / 121,277,433.60-181,916,150.40-102,145,557.60

Finding the Fourth Proportional to 121,277,433.60, 181,916,150.40 and 102,145,557.60

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Solution

The fourth proportional to 121,277,433.60, 181,916,150.40 and 102,145,557.60 is: 153,218,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,433.60 : 181,916,150.40 = 102,145,557.60 : x
  2. Step 2: Convert to fraction form
    121,277,433.60/181,916,150.40 = 102,145,557.60/x
  3. Step 3: Cross multiply
    121,277,433.60x = 181,916,150.40 × 102,145,557.60
  4. Step 4: Simplify right side
    121,277,433.60x = 18,581,926,619,053,464
  5. Step 5: Solve for x
    x = 18,581,926,619,053,464/121,277,433.60
  6. Step 6: Final answer
    x = 153,218,336.40

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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.