Home / 111,154,722.46-153,394,417.66-61,595,923.98

Finding the Fourth Proportional to 111,154,722.46, 153,394,417.66 and 61,595,923.98

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Solution

The fourth proportional to 111,154,722.46, 153,394,417.66 and 61,595,923.98 is: 85,002,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,154,722.46 : 153,394,417.66 = 61,595,923.98 : x
  2. Step 2: Convert to fraction form
    111,154,722.46/153,394,417.66 = 61,595,923.98/x
  3. Step 3: Cross multiply
    111,154,722.46x = 153,394,417.66 × 61,595,923.98
  4. Step 4: Simplify right side
    111,154,722.46x = 9,448,470,889,141,728
  5. Step 5: Solve for x
    x = 9,448,470,889,141,728/111,154,722.46
  6. Step 6: Final answer
    x = 85,002,874.19

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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.