Home / 247,005,815.02-370,472,277.58-72,081,881.79

Finding the Fourth Proportional to 247,005,815.02, 370,472,277.58 and 72,081,881.79

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Solution

The fourth proportional to 247,005,815.02, 370,472,277.58 and 72,081,881.79 is: 108,112,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,005,815.02 : 370,472,277.58 = 72,081,881.79 : x
  2. Step 2: Convert to fraction form
    247,005,815.02/370,472,277.58 = 72,081,881.79/x
  3. Step 3: Cross multiply
    247,005,815.02x = 370,472,277.58 × 72,081,881.79
  4. Step 4: Simplify right side
    247,005,815.02x = 26,704,338,918,813,424
  5. Step 5: Solve for x
    x = 26,704,338,918,813,424/247,005,815.02
  6. Step 6: Final answer
    x = 108,112,187.22

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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.