Home / 69,692,907.20-96,178,561.07-38,333,381.58

Finding the Fourth Proportional to 69,692,907.20, 96,178,561.07 and 38,333,381.58

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Solution

The fourth proportional to 69,692,907.20, 96,178,561.07 and 38,333,381.58 is: 52,901,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,692,907.20 : 96,178,561.07 = 38,333,381.58 : x
  2. Step 2: Convert to fraction form
    69,692,907.20/96,178,561.07 = 38,333,381.58/x
  3. Step 3: Cross multiply
    69,692,907.20x = 96,178,561.07 × 38,333,381.58
  4. Step 4: Simplify right side
    69,692,907.20x = 3,686,849,481,119,976
  5. Step 5: Solve for x
    x = 3,686,849,481,119,976/69,692,907.20
  6. Step 6: Final answer
    x = 52,901,358.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.