Home / 98,407,046.40-147,624,656.64-30,255,459.84

Finding the Fourth Proportional to 98,407,046.40, 147,624,656.64 and 30,255,459.84

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Solution

The fourth proportional to 98,407,046.40, 147,624,656.64 and 30,255,459.84 is: 45,387,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,407,046.40 : 147,624,656.64 = 30,255,459.84 : x
  2. Step 2: Convert to fraction form
    98,407,046.40/147,624,656.64 = 30,255,459.84/x
  3. Step 3: Cross multiply
    98,407,046.40x = 147,624,656.64 × 30,255,459.84
  4. Step 4: Simplify right side
    98,407,046.40x = 4,466,451,870,365,309
  5. Step 5: Solve for x
    x = 4,466,451,870,365,309/98,407,046.40
  6. Step 6: Final answer
    x = 45,387,520.85

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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.