Home / 148,139,736.96-204,503,726.16-98,662,448.64

Finding the Fourth Proportional to 148,139,736.96, 204,503,726.16 and 98,662,448.64

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Solution

The fourth proportional to 148,139,736.96, 204,503,726.16 and 98,662,448.64 is: 136,201,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,139,736.96 : 204,503,726.16 = 98,662,448.64 : x
  2. Step 2: Convert to fraction form
    148,139,736.96/204,503,726.16 = 98,662,448.64/x
  3. Step 3: Cross multiply
    148,139,736.96x = 204,503,726.16 × 98,662,448.64
  4. Step 4: Simplify right side
    148,139,736.96x = 20,176,838,378,949,624
  5. Step 5: Solve for x
    x = 20,176,838,378,949,624/148,139,736.96
  6. Step 6: Final answer
    x = 136,201,391.96

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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.