Home / 255,968,076.83-353,235,940.53-138,493,407.10

Finding the Fourth Proportional to 255,968,076.83, 353,235,940.53 and 138,493,407.10

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Solution

The fourth proportional to 255,968,076.83, 353,235,940.53 and 138,493,407.10 is: 191,120,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,968,076.83 : 353,235,940.53 = 138,493,407.10 : x
  2. Step 2: Convert to fraction form
    255,968,076.83/353,235,940.53 = 138,493,407.10/x
  3. Step 3: Cross multiply
    255,968,076.83x = 353,235,940.53 × 138,493,407.10
  4. Step 4: Simplify right side
    255,968,076.83x = 48,920,848,913,808,936
  5. Step 5: Solve for x
    x = 48,920,848,913,808,936/255,968,076.83
  6. Step 6: Final answer
    x = 191,120,898.82

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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.