Home / 89,712,158.66-123,802,828.71-48,459,051.26

Finding the Fourth Proportional to 89,712,158.66, 123,802,828.71 and 48,459,051.26

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Solution

The fourth proportional to 89,712,158.66, 123,802,828.71 and 48,459,051.26 is: 66,873,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,158.66 : 123,802,828.71 = 48,459,051.26 : x
  2. Step 2: Convert to fraction form
    89,712,158.66/123,802,828.71 = 48,459,051.26/x
  3. Step 3: Cross multiply
    89,712,158.66x = 123,802,828.71 × 48,459,051.26
  4. Step 4: Simplify right side
    89,712,158.66x = 5,999,367,622,590,889
  5. Step 5: Solve for x
    x = 5,999,367,622,590,889/89,712,158.66
  6. Step 6: Final answer
    x = 66,873,517.62

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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.