Home / 65,788,851.20-98,683,276.80-17,919,795.20

Finding the Fourth Proportional to 65,788,851.20, 98,683,276.80 and 17,919,795.20

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Solution

The fourth proportional to 65,788,851.20, 98,683,276.80 and 17,919,795.20 is: 26,879,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,788,851.20 : 98,683,276.80 = 17,919,795.20 : x
  2. Step 2: Convert to fraction form
    65,788,851.20/98,683,276.80 = 17,919,795.20/x
  3. Step 3: Cross multiply
    65,788,851.20x = 98,683,276.80 × 17,919,795.20
  4. Step 4: Simplify right side
    65,788,851.20x = 1,768,384,109,920,911.25
  5. Step 5: Solve for x
    x = 1,768,384,109,920,911.25/65,788,851.20
  6. Step 6: Final answer
    x = 26,879,692.80

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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.