Home / 107,709,509.76-148,638,994.56-63,672,380.16

Finding the Fourth Proportional to 107,709,509.76, 148,638,994.56 and 63,672,380.16

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Solution

The fourth proportional to 107,709,509.76, 148,638,994.56 and 63,672,380.16 is: 87,867,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,709,509.76 : 148,638,994.56 = 63,672,380.16 : x
  2. Step 2: Convert to fraction form
    107,709,509.76/148,638,994.56 = 63,672,380.16/x
  3. Step 3: Cross multiply
    107,709,509.76x = 148,638,994.56 × 63,672,380.16
  4. Step 4: Simplify right side
    107,709,509.76x = 9,464,198,568,224,492
  5. Step 5: Solve for x
    x = 9,464,198,568,224,492/107,709,509.76
  6. Step 6: Final answer
    x = 87,867,808.42

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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.