Home / 76,179,724.73-105,136,994.79-45,239,894.01

Finding the Fourth Proportional to 76,179,724.73, 105,136,994.79 and 45,239,894.01

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Solution

The fourth proportional to 76,179,724.73, 105,136,994.79 and 45,239,894.01 is: 62,436,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,179,724.73 : 105,136,994.79 = 45,239,894.01 : x
  2. Step 2: Convert to fraction form
    76,179,724.73/105,136,994.79 = 45,239,894.01/x
  3. Step 3: Cross multiply
    76,179,724.73x = 105,136,994.79 × 45,239,894.01
  4. Step 4: Simplify right side
    76,179,724.73x = 4,756,386,500,829,522
  5. Step 5: Solve for x
    x = 4,756,386,500,829,522/76,179,724.73
  6. Step 6: Final answer
    x = 62,436,383.40

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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.