Home / 56,586,806.50-78,089,793.78-30,832,694.50

Finding the Fourth Proportional to 56,586,806.50, 78,089,793.78 and 30,832,694.50

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Solution

The fourth proportional to 56,586,806.50, 78,089,793.78 and 30,832,694.50 is: 42,549,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,586,806.50 : 78,089,793.78 = 30,832,694.50 : x
  2. Step 2: Convert to fraction form
    56,586,806.50/78,089,793.78 = 30,832,694.50/x
  3. Step 3: Cross multiply
    56,586,806.50x = 78,089,793.78 × 30,832,694.50
  4. Step 4: Simplify right side
    56,586,806.50x = 2,407,718,755,186,740
  5. Step 5: Solve for x
    x = 2,407,718,755,186,740/56,586,806.50
  6. Step 6: Final answer
    x = 42,549,118.85

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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.