Home / 83,146,586.70-124,578,162.45-70,958,873.10

Finding the Fourth Proportional to 83,146,586.70, 124,578,162.45 and 70,958,873.10

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Solution

The fourth proportional to 83,146,586.70, 124,578,162.45 and 70,958,873.10 is: 106,317,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,146,586.70 : 124,578,162.45 = 70,958,873.10 : x
  2. Step 2: Convert to fraction form
    83,146,586.70/124,578,162.45 = 70,958,873.10/x
  3. Step 3: Cross multiply
    83,146,586.70x = 124,578,162.45 × 70,958,873.10
  4. Step 4: Simplify right side
    83,146,586.70x = 8,839,926,020,320,735
  5. Step 5: Solve for x
    x = 8,839,926,020,320,735/83,146,586.70
  6. Step 6: Final answer
    x = 106,317,365.16

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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.