Home / 98,415,200.40-147,622,800.60-89,486,991.60

Finding the Fourth Proportional to 98,415,200.40, 147,622,800.60 and 89,486,991.60

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Solution

The fourth proportional to 98,415,200.40, 147,622,800.60 and 89,486,991.60 is: 134,230,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,200.40 : 147,622,800.60 = 89,486,991.60 : x
  2. Step 2: Convert to fraction form
    98,415,200.40/147,622,800.60 = 89,486,991.60/x
  3. Step 3: Cross multiply
    98,415,200.40x = 147,622,800.60 × 89,486,991.60
  4. Step 4: Simplify right side
    98,415,200.40x = 13,210,320,317,260,674
  5. Step 5: Solve for x
    x = 13,210,320,317,260,674/98,415,200.40
  6. Step 6: Final answer
    x = 134,230,487.40

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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.