Home / 98,368,802.20-147,553,203.30-30,211,384.60

Finding the Fourth Proportional to 98,368,802.20, 147,553,203.30 and 30,211,384.60

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Solution

The fourth proportional to 98,368,802.20, 147,553,203.30 and 30,211,384.60 is: 45,317,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,368,802.20 : 147,553,203.30 = 30,211,384.60 : x
  2. Step 2: Convert to fraction form
    98,368,802.20/147,553,203.30 = 30,211,384.60/x
  3. Step 3: Cross multiply
    98,368,802.20x = 147,553,203.30 × 30,211,384.60
  4. Step 4: Simplify right side
    98,368,802.20x = 4,457,786,573,858,290
  5. Step 5: Solve for x
    x = 4,457,786,573,858,290/98,368,802.20
  6. Step 6: Final answer
    x = 45,317,076.90

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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.