Home / 101,121,377.40-151,682,066.10-100,113,607.80

Finding the Fourth Proportional to 101,121,377.40, 151,682,066.10 and 100,113,607.80

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Solution

The fourth proportional to 101,121,377.40, 151,682,066.10 and 100,113,607.80 is: 150,170,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121,377.40 : 151,682,066.10 = 100,113,607.80 : x
  2. Step 2: Convert to fraction form
    101,121,377.40/151,682,066.10 = 100,113,607.80/x
  3. Step 3: Cross multiply
    101,121,377.40x = 151,682,066.10 × 100,113,607.80
  4. Step 4: Simplify right side
    101,121,377.40x = 15,185,438,875,829,074
  5. Step 5: Solve for x
    x = 15,185,438,875,829,074/101,121,377.40
  6. Step 6: Final answer
    x = 150,170,411.70

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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.