Home / 256,608,465.30-384,838,048.35-141,648,081.30

Finding the Fourth Proportional to 256,608,465.30, 384,838,048.35 and 141,648,081.30

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Solution

The fourth proportional to 256,608,465.30, 384,838,048.35 and 141,648,081.30 is: 212,430,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608,465.30 : 384,838,048.35 = 141,648,081.30 : x
  2. Step 2: Convert to fraction form
    256,608,465.30/384,838,048.35 = 141,648,081.30/x
  3. Step 3: Cross multiply
    256,608,465.30x = 384,838,048.35 × 141,648,081.30
  4. Step 4: Simplify right side
    256,608,465.30x = 54,511,571,160,014,136
  5. Step 5: Solve for x
    x = 54,511,571,160,014,136/256,608,465.30
  6. Step 6: Final answer
    x = 212,430,915.31

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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.