Home / 90,577,920.06-124,994,246.04-55,354,653.72

Finding the Fourth Proportional to 90,577,920.06, 124,994,246.04 and 55,354,653.72

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Solution

The fourth proportional to 90,577,920.06, 124,994,246.04 and 55,354,653.72 is: 76,387,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,577,920.06 : 124,994,246.04 = 55,354,653.72 : x
  2. Step 2: Convert to fraction form
    90,577,920.06/124,994,246.04 = 55,354,653.72/x
  3. Step 3: Cross multiply
    90,577,920.06x = 124,994,246.04 × 55,354,653.72
  4. Step 4: Simplify right side
    90,577,920.06x = 6,919,013,206,536,681
  5. Step 5: Solve for x
    x = 6,919,013,206,536,681/90,577,920.06
  6. Step 6: Final answer
    x = 76,387,415.41

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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.