Home / 90,293,015.51-124,604,999.09-49,039,907.88

Finding the Fourth Proportional to 90,293,015.51, 124,604,999.09 and 49,039,907.88

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Solution

The fourth proportional to 90,293,015.51, 124,604,999.09 and 49,039,907.88 is: 67,675,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,293,015.51 : 124,604,999.09 = 49,039,907.88 : x
  2. Step 2: Convert to fraction form
    90,293,015.51/124,604,999.09 = 49,039,907.88/x
  3. Step 3: Cross multiply
    90,293,015.51x = 124,604,999.09 × 49,039,907.88
  4. Step 4: Simplify right side
    90,293,015.51x = 6,110,617,676,761,084
  5. Step 5: Solve for x
    x = 6,110,617,676,761,084/90,293,015.51
  6. Step 6: Final answer
    x = 67,675,419.21

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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.