Home / 99,651,210.30-149,476,815.45-88,880,672.70

Finding the Fourth Proportional to 99,651,210.30, 149,476,815.45 and 88,880,672.70

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Solution

The fourth proportional to 99,651,210.30, 149,476,815.45 and 88,880,672.70 is: 133,321,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,210.30 : 149,476,815.45 = 88,880,672.70 : x
  2. Step 2: Convert to fraction form
    99,651,210.30/149,476,815.45 = 88,880,672.70/x
  3. Step 3: Cross multiply
    99,651,210.30x = 149,476,815.45 × 88,880,672.70
  4. Step 4: Simplify right side
    99,651,210.30x = 13,285,599,910,249,752
  5. Step 5: Solve for x
    x = 13,285,599,910,249,752/99,651,210.30
  6. Step 6: Final answer
    x = 133,321,009.05

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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.