Home / 103,534,149.84-142,928,901.71-64,388,537.88

Finding the Fourth Proportional to 103,534,149.84, 142,928,901.71 and 64,388,537.88

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Solution

The fourth proportional to 103,534,149.84, 142,928,901.71 and 64,388,537.88 is: 88,888,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,534,149.84 : 142,928,901.71 = 64,388,537.88 : x
  2. Step 2: Convert to fraction form
    103,534,149.84/142,928,901.71 = 64,388,537.88/x
  3. Step 3: Cross multiply
    103,534,149.84x = 142,928,901.71 × 64,388,537.88
  4. Step 4: Simplify right side
    103,534,149.84x = 9,202,983,001,901,132
  5. Step 5: Solve for x
    x = 9,202,983,001,901,132/103,534,149.84
  6. Step 6: Final answer
    x = 88,888,381.43

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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.