Home / 288,187,123.96-397,693,483.54-156,027,063.88

Finding the Fourth Proportional to 288,187,123.96, 397,693,483.54 and 156,027,063.88

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Solution

The fourth proportional to 288,187,123.96, 397,693,483.54 and 156,027,063.88 is: 215,314,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,187,123.96 : 397,693,483.54 = 156,027,063.88 : x
  2. Step 2: Convert to fraction form
    288,187,123.96/397,693,483.54 = 156,027,063.88/x
  3. Step 3: Cross multiply
    288,187,123.96x = 397,693,483.54 × 156,027,063.88
  4. Step 4: Simplify right side
    288,187,123.96x = 62,050,946,560,955,312
  5. Step 5: Solve for x
    x = 62,050,946,560,955,312/288,187,123.96
  6. Step 6: Final answer
    x = 215,314,777.80

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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.