Home / 101,130,747.62-139,536,161.25-61,437,484.94

Finding the Fourth Proportional to 101,130,747.62, 139,536,161.25 and 61,437,484.94

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Solution

The fourth proportional to 101,130,747.62, 139,536,161.25 and 61,437,484.94 is: 84,768,984.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,130,747.62 : 139,536,161.25 = 61,437,484.94 : x
  2. Step 2: Convert to fraction form
    101,130,747.62/139,536,161.25 = 61,437,484.94/x
  3. Step 3: Cross multiply
    101,130,747.62x = 139,536,161.25 × 61,437,484.94
  4. Step 4: Simplify right side
    101,130,747.62x = 8,572,750,805,382,286
  5. Step 5: Solve for x
    x = 8,572,750,805,382,286/101,130,747.62
  6. Step 6: Final answer
    x = 84,768,984.78

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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.