Home / 250,982,881.21-346,364,776.94-139,478,421.74

Finding the Fourth Proportional to 250,982,881.21, 346,364,776.94 and 139,478,421.74

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Solution

The fourth proportional to 250,982,881.21, 346,364,776.94 and 139,478,421.74 is: 192,484,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,982,881.21 : 346,364,776.94 = 139,478,421.74 : x
  2. Step 2: Convert to fraction form
    250,982,881.21/346,364,776.94 = 139,478,421.74/x
  3. Step 3: Cross multiply
    250,982,881.21x = 346,364,776.94 × 139,478,421.74
  4. Step 4: Simplify right side
    250,982,881.21x = 48,310,412,433,918,352
  5. Step 5: Solve for x
    x = 48,310,412,433,918,352/250,982,881.21
  6. Step 6: Final answer
    x = 192,484,890.61

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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.