Home / 98,428,643.34-147,504,347.46-75,310,074.12

Finding the Fourth Proportional to 98,428,643.34, 147,504,347.46 and 75,310,074.12

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Solution

The fourth proportional to 98,428,643.34, 147,504,347.46 and 75,310,074.12 is: 112,859,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,428,643.34 : 147,504,347.46 = 75,310,074.12 : x
  2. Step 2: Convert to fraction form
    98,428,643.34/147,504,347.46 = 75,310,074.12/x
  3. Step 3: Cross multiply
    98,428,643.34x = 147,504,347.46 × 75,310,074.12
  4. Step 4: Simplify right side
    98,428,643.34x = 11,108,563,340,234,836
  5. Step 5: Solve for x
    x = 11,108,563,340,234,836/98,428,643.34
  6. Step 6: Final answer
    x = 112,859,051.63

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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.