Home / 105,062,304.68-145,024,669.44-63,248,313.50

Finding the Fourth Proportional to 105,062,304.68, 145,024,669.44 and 63,248,313.50

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Solution

The fourth proportional to 105,062,304.68, 145,024,669.44 and 63,248,313.50 is: 87,305,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,062,304.68 : 145,024,669.44 = 63,248,313.50 : x
  2. Step 2: Convert to fraction form
    105,062,304.68/145,024,669.44 = 63,248,313.50/x
  3. Step 3: Cross multiply
    105,062,304.68x = 145,024,669.44 × 63,248,313.50
  4. Step 4: Simplify right side
    105,062,304.68x = 9,172,565,757,974,990
  5. Step 5: Solve for x
    x = 9,172,565,757,974,990/105,062,304.68
  6. Step 6: Final answer
    x = 87,305,963.69

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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.