Home / 251,655,011.72-377,503,941.78-76,817,316.60

Finding the Fourth Proportional to 251,655,011.72, 377,503,941.78 and 76,817,316.60

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Solution

The fourth proportional to 251,655,011.72, 377,503,941.78 and 76,817,316.60 is: 115,232,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,655,011.72 : 377,503,941.78 = 76,817,316.60 : x
  2. Step 2: Convert to fraction form
    251,655,011.72/377,503,941.78 = 76,817,316.60/x
  3. Step 3: Cross multiply
    251,655,011.72x = 377,503,941.78 × 76,817,316.60
  4. Step 4: Simplify right side
    251,655,011.72x = 28,998,839,813,462,224
  5. Step 5: Solve for x
    x = 28,998,839,813,462,224/251,655,011.72
  6. Step 6: Final answer
    x = 115,232,514.61

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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.