Home / 349,081,320.81-523,464,406.48-100,029,612.85

Finding the Fourth Proportional to 349,081,320.81, 523,464,406.48 and 100,029,612.85

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Solution

The fourth proportional to 349,081,320.81, 523,464,406.48 and 100,029,612.85 is: 149,999,266.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,081,320.81 : 523,464,406.48 = 100,029,612.85 : x
  2. Step 2: Convert to fraction form
    349,081,320.81/523,464,406.48 = 100,029,612.85/x
  3. Step 3: Cross multiply
    349,081,320.81x = 523,464,406.48 × 100,029,612.85
  4. Step 4: Simplify right side
    349,081,320.81x = 52,361,941,920,949,432
  5. Step 5: Solve for x
    x = 52,361,941,920,949,432/349,081,320.81
  6. Step 6: Final answer
    x = 149,999,266.07

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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.