Home / 70,147,325.20-105,220,987.80-57,550,205.20

Finding the Fourth Proportional to 70,147,325.20, 105,220,987.80 and 57,550,205.20

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Solution

The fourth proportional to 70,147,325.20, 105,220,987.80 and 57,550,205.20 is: 86,325,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,147,325.20 : 105,220,987.80 = 57,550,205.20 : x
  2. Step 2: Convert to fraction form
    70,147,325.20/105,220,987.80 = 57,550,205.20/x
  3. Step 3: Cross multiply
    70,147,325.20x = 105,220,987.80 × 57,550,205.20
  4. Step 4: Simplify right side
    70,147,325.20x = 6,055,489,439,236,697
  5. Step 5: Solve for x
    x = 6,055,489,439,236,697/70,147,325.20
  6. Step 6: Final answer
    x = 86,325,307.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.