Home / 305,908,356.11-458,952,074.88-98,642,598.32

Finding the Fourth Proportional to 305,908,356.11, 458,952,074.88 and 98,642,598.32

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Solution

The fourth proportional to 305,908,356.11, 458,952,074.88 and 98,642,598.32 is: 147,992,770.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,908,356.11 : 458,952,074.88 = 98,642,598.32 : x
  2. Step 2: Convert to fraction form
    305,908,356.11/458,952,074.88 = 98,642,598.32/x
  3. Step 3: Cross multiply
    305,908,356.11x = 458,952,074.88 × 98,642,598.32
  4. Step 4: Simplify right side
    305,908,356.11x = 45,272,225,171,665,784
  5. Step 5: Solve for x
    x = 45,272,225,171,665,784/305,908,356.11
  6. Step 6: Final answer
    x = 147,992,770.61

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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.