Home / 98,428,644.47-147,504,349.15-75,310,075.25

Finding the Fourth Proportional to 98,428,644.47, 147,504,349.15 and 75,310,075.25

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Solution

The fourth proportional to 98,428,644.47, 147,504,349.15 and 75,310,075.25 is: 112,859,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,428,644.47 : 147,504,349.15 = 75,310,075.25 : x
  2. Step 2: Convert to fraction form
    98,428,644.47/147,504,349.15 = 75,310,075.25/x
  3. Step 3: Cross multiply
    98,428,644.47x = 147,504,349.15 × 75,310,075.25
  4. Step 4: Simplify right side
    98,428,644.47x = 11,108,563,633,262,978
  5. Step 5: Solve for x
    x = 11,108,563,633,262,978/98,428,644.47
  6. Step 6: Final answer
    x = 112,859,053.31

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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.