Home / 116,949,436,351.84-161,391,169,768.66-64,807,037,977.12

Finding the Fourth Proportional to 116,949,436,351.84, 161,391,169,768.66 and 64,807,037,977.12

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Solution

The fourth proportional to 116,949,436,351.84, 161,391,169,768.66 and 64,807,037,977.12 is: 89,434,237,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,949,436,351.84 : 161,391,169,768.66 = 64,807,037,977.12 : x
  2. Step 2: Convert to fraction form
    116,949,436,351.84/161,391,169,768.66 = 64,807,037,977.12/x
  3. Step 3: Cross multiply
    116,949,436,351.84x = 161,391,169,768.66 × 64,807,037,977.12
  4. Step 4: Simplify right side
    116,949,436,351.84x = 10,459,283,668,369,370,251,264
  5. Step 5: Solve for x
    x = 10,459,283,668,369,370,251,264/116,949,436,351.84
  6. Step 6: Final answer
    x = 89,434,237,518.71

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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.