Home / 136,356,141.57-203,787,065.11-99,545,549.22

Finding the Fourth Proportional to 136,356,141.57, 203,787,065.11 and 99,545,549.22

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Solution

The fourth proportional to 136,356,141.57, 203,787,065.11 and 99,545,549.22 is: 148,772,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,356,141.57 : 203,787,065.11 = 99,545,549.22 : x
  2. Step 2: Convert to fraction form
    136,356,141.57/203,787,065.11 = 99,545,549.22/x
  3. Step 3: Cross multiply
    136,356,141.57x = 203,787,065.11 × 99,545,549.22
  4. Step 4: Simplify right side
    136,356,141.57x = 20,286,095,320,057,984
  5. Step 5: Solve for x
    x = 20,286,095,320,057,984/136,356,141.57
  6. Step 6: Final answer
    x = 148,772,875.84

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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.