Home / 300,733,868.40-415,099,232.52-181,637,543.28

Finding the Fourth Proportional to 300,733,868.40, 415,099,232.52 and 181,637,543.28

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Solution

The fourth proportional to 300,733,868.40, 415,099,232.52 and 181,637,543.28 is: 250,712,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,733,868.40 : 415,099,232.52 = 181,637,543.28 : x
  2. Step 2: Convert to fraction form
    300,733,868.40/415,099,232.52 = 181,637,543.28/x
  3. Step 3: Cross multiply
    300,733,868.40x = 415,099,232.52 × 181,637,543.28
  4. Step 4: Simplify right side
    300,733,868.40x = 75,397,604,812,346,288
  5. Step 5: Solve for x
    x = 75,397,604,812,346,288/300,733,868.40
  6. Step 6: Final answer
    x = 250,712,050.54

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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.