Home / 116,949,436,353.87-161,391,169,771.46-64,807,037,979.13

Finding the Fourth Proportional to 116,949,436,353.87, 161,391,169,771.46 and 64,807,037,979.13

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Solution

The fourth proportional to 116,949,436,353.87, 161,391,169,771.46 and 64,807,037,979.13 is: 89,434,237,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,949,436,353.87 : 161,391,169,771.46 = 64,807,037,979.13 : x
  2. Step 2: Convert to fraction form
    116,949,436,353.87/161,391,169,771.46 = 64,807,037,979.13/x
  3. Step 3: Cross multiply
    116,949,436,353.87x = 161,391,169,771.46 × 64,807,037,979.13
  4. Step 4: Simplify right side
    116,949,436,353.87x = 10,459,283,668,875,062,804,480
  5. Step 5: Solve for x
    x = 10,459,283,668,875,062,804,480/116,949,436,353.87
  6. Step 6: Final answer
    x = 89,434,237,521.48

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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.