Home / 305,908,346.18-458,952,059.94-98,642,588.39

Finding the Fourth Proportional to 305,908,346.18, 458,952,059.94 and 98,642,588.39

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Solution

The fourth proportional to 305,908,346.18, 458,952,059.94 and 98,642,588.39 is: 147,992,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,908,346.18 : 458,952,059.94 = 98,642,588.39 : x
  2. Step 2: Convert to fraction form
    305,908,346.18/458,952,059.94 = 98,642,588.39/x
  3. Step 3: Cross multiply
    305,908,346.18x = 458,952,059.94 × 98,642,588.39
  4. Step 4: Simplify right side
    305,908,346.18x = 45,272,219,137,293,728
  5. Step 5: Solve for x
    x = 45,272,219,137,293,728/305,908,346.18
  6. Step 6: Final answer
    x = 147,992,755.68

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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.