Home / 89,713,018.48-123,804,019.74-48,459,929.08

Finding the Fourth Proportional to 89,713,018.48, 123,804,019.74 and 48,459,929.08

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Solution

The fourth proportional to 89,713,018.48, 123,804,019.74 and 48,459,929.08 is: 66,874,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713,018.48 : 123,804,019.74 = 48,459,929.08 : x
  2. Step 2: Convert to fraction form
    89,713,018.48/123,804,019.74 = 48,459,929.08/x
  3. Step 3: Cross multiply
    89,713,018.48x = 123,804,019.74 × 48,459,929.08
  4. Step 4: Simplify right side
    89,713,018.48x = 5,999,534,016,419,320
  5. Step 5: Solve for x
    x = 5,999,534,016,419,320/89,713,018.48
  6. Step 6: Final answer
    x = 66,874,731.43

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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.