Home / 372,231,905.60-558,347,858.40-99,602,672.60

Finding the Fourth Proportional to 372,231,905.60, 558,347,858.40 and 99,602,672.60

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Solution

The fourth proportional to 372,231,905.60, 558,347,858.40 and 99,602,672.60 is: 149,404,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,231,905.60 : 558,347,858.40 = 99,602,672.60 : x
  2. Step 2: Convert to fraction form
    372,231,905.60/558,347,858.40 = 99,602,672.60/x
  3. Step 3: Cross multiply
    372,231,905.60x = 558,347,858.40 × 99,602,672.60
  4. Step 4: Simplify right side
    372,231,905.60x = 55,612,938,937,126,352
  5. Step 5: Solve for x
    x = 55,612,938,937,126,352/372,231,905.60
  6. Step 6: Final answer
    x = 149,404,008.90

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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.