Home / 109,144,645.20-163,716,967.80-99,100,410.30

Finding the Fourth Proportional to 109,144,645.20, 163,716,967.80 and 99,100,410.30

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Solution

The fourth proportional to 109,144,645.20, 163,716,967.80 and 99,100,410.30 is: 148,650,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,144,645.20 : 163,716,967.80 = 99,100,410.30 : x
  2. Step 2: Convert to fraction form
    109,144,645.20/163,716,967.80 = 99,100,410.30/x
  3. Step 3: Cross multiply
    109,144,645.20x = 163,716,967.80 × 99,100,410.30
  4. Step 4: Simplify right side
    109,144,645.20x = 16,224,418,682,051,890
  5. Step 5: Solve for x
    x = 16,224,418,682,051,890/109,144,645.20
  6. Step 6: Final answer
    x = 148,650,615.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.