Home / 56,892,069.89-78,511,263.56-30,786,585.36

Finding the Fourth Proportional to 56,892,069.89, 78,511,263.56 and 30,786,585.36

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Solution

The fourth proportional to 56,892,069.89, 78,511,263.56 and 30,786,585.36 is: 42,485,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,892,069.89 : 78,511,263.56 = 30,786,585.36 : x
  2. Step 2: Convert to fraction form
    56,892,069.89/78,511,263.56 = 30,786,585.36/x
  3. Step 3: Cross multiply
    56,892,069.89x = 78,511,263.56 × 30,786,585.36
  4. Step 4: Simplify right side
    56,892,069.89x = 2,417,093,717,311,397.50
  5. Step 5: Solve for x
    x = 2,417,093,717,311,397.50/56,892,069.89
  6. Step 6: Final answer
    x = 42,485,599.87

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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.