Home / 111,154,710.81-153,394,401.55-61,595,912.32

Finding the Fourth Proportional to 111,154,710.81, 153,394,401.55 and 61,595,912.32

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Solution

The fourth proportional to 111,154,710.81, 153,394,401.55 and 61,595,912.32 is: 85,002,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,154,710.81 : 153,394,401.55 = 61,595,912.32 : x
  2. Step 2: Convert to fraction form
    111,154,710.81/153,394,401.55 = 61,595,912.32/x
  3. Step 3: Cross multiply
    111,154,710.81x = 153,394,401.55 × 61,595,912.32
  4. Step 4: Simplify right side
    111,154,710.81x = 9,448,468,107,830,380
  5. Step 5: Solve for x
    x = 9,448,468,107,830,380/111,154,710.81
  6. Step 6: Final answer
    x = 85,002,858.08

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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.