Home / 256,749,562.77-385,308,223.17-109,300,500.78

Finding the Fourth Proportional to 256,749,562.77, 385,308,223.17 and 109,300,500.78

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Solution

The fourth proportional to 256,749,562.77, 385,308,223.17 and 109,300,500.78 is: 164,029,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,749,562.77 : 385,308,223.17 = 109,300,500.78 : x
  2. Step 2: Convert to fraction form
    256,749,562.77/385,308,223.17 = 109,300,500.78/x
  3. Step 3: Cross multiply
    256,749,562.77x = 385,308,223.17 × 109,300,500.78
  4. Step 4: Simplify right side
    256,749,562.77x = 42,114,381,747,133,000
  5. Step 5: Solve for x
    x = 42,114,381,747,133,000/256,749,562.77
  6. Step 6: Final answer
    x = 164,029,030.05

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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.