Home / 83,146,526.70-124,578,072.45-70,958,813.10

Finding the Fourth Proportional to 83,146,526.70, 124,578,072.45 and 70,958,813.10

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Solution

The fourth proportional to 83,146,526.70, 124,578,072.45 and 70,958,813.10 is: 106,317,275.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,146,526.70 : 124,578,072.45 = 70,958,813.10 : x
  2. Step 2: Convert to fraction form
    83,146,526.70/124,578,072.45 = 70,958,813.10/x
  3. Step 3: Cross multiply
    83,146,526.70x = 124,578,072.45 × 70,958,813.10
  4. Step 4: Simplify right side
    83,146,526.70x = 8,839,912,159,337,809
  5. Step 5: Solve for x
    x = 8,839,912,159,337,809/83,146,526.70
  6. Step 6: Final answer
    x = 106,317,275.18

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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.