Home / 82,988,495.87-114,417,669.29-68,048,776.22

Finding the Fourth Proportional to 82,988,495.87, 114,417,669.29 and 68,048,776.22

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Solution

The fourth proportional to 82,988,495.87, 114,417,669.29 and 68,048,776.22 is: 93,820,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,988,495.87 : 114,417,669.29 = 68,048,776.22 : x
  2. Step 2: Convert to fraction form
    82,988,495.87/114,417,669.29 = 68,048,776.22/x
  3. Step 3: Cross multiply
    82,988,495.87x = 114,417,669.29 × 68,048,776.22
  4. Step 4: Simplify right side
    82,988,495.87x = 7,785,982,372,216,844
  5. Step 5: Solve for x
    x = 7,785,982,372,216,844/82,988,495.87
  6. Step 6: Final answer
    x = 93,820,020.37

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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.