Home / 136,356,142.57-203,787,066.60-99,545,550.22

Finding the Fourth Proportional to 136,356,142.57, 203,787,066.60 and 99,545,550.22

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Solution

The fourth proportional to 136,356,142.57, 203,787,066.60 and 99,545,550.22 is: 148,772,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,356,142.57 : 203,787,066.60 = 99,545,550.22 : x
  2. Step 2: Convert to fraction form
    136,356,142.57/203,787,066.60 = 99,545,550.22/x
  3. Step 3: Cross multiply
    136,356,142.57x = 203,787,066.60 × 99,545,550.22
  4. Step 4: Simplify right side
    136,356,142.57x = 20,286,095,672,416,784
  5. Step 5: Solve for x
    x = 20,286,095,672,416,784/136,356,142.57
  6. Step 6: Final answer
    x = 148,772,877.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.