Home / 165,078,429.30-247,617,643.95-68,001,873.30

Finding the Fourth Proportional to 165,078,429.30, 247,617,643.95 and 68,001,873.30

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Solution

The fourth proportional to 165,078,429.30, 247,617,643.95 and 68,001,873.30 is: 102,002,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,078,429.30 : 247,617,643.95 = 68,001,873.30 : x
  2. Step 2: Convert to fraction form
    165,078,429.30/247,617,643.95 = 68,001,873.30/x
  3. Step 3: Cross multiply
    165,078,429.30x = 247,617,643.95 × 68,001,873.30
  4. Step 4: Simplify right side
    165,078,429.30x = 16,838,463,650,732,410
  5. Step 5: Solve for x
    x = 16,838,463,650,732,410/165,078,429.30
  6. Step 6: Final answer
    x = 102,002,809.95

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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.