Home / 101,144,320.21-139,579,157.32-54,734,575.40

Finding the Fourth Proportional to 101,144,320.21, 139,579,157.32 and 54,734,575.40

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Solution

The fourth proportional to 101,144,320.21, 139,579,157.32 and 54,734,575.40 is: 75,533,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,144,320.21 : 139,579,157.32 = 54,734,575.40 : x
  2. Step 2: Convert to fraction form
    101,144,320.21/139,579,157.32 = 54,734,575.40/x
  3. Step 3: Cross multiply
    101,144,320.21x = 139,579,157.32 × 54,734,575.40
  4. Step 4: Simplify right side
    101,144,320.21x = 7,639,805,910,596,848
  5. Step 5: Solve for x
    x = 7,639,805,910,596,848/101,144,320.21
  6. Step 6: Final answer
    x = 75,533,711.58

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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.