Home / 65,169,975.20-97,754,962.80-19,734,029.60

Finding the Fourth Proportional to 65,169,975.20, 97,754,962.80 and 19,734,029.60

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Solution

The fourth proportional to 65,169,975.20, 97,754,962.80 and 19,734,029.60 is: 29,601,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,169,975.20 : 97,754,962.80 = 19,734,029.60 : x
  2. Step 2: Convert to fraction form
    65,169,975.20/97,754,962.80 = 19,734,029.60/x
  3. Step 3: Cross multiply
    65,169,975.20x = 97,754,962.80 × 19,734,029.60
  4. Step 4: Simplify right side
    65,169,975.20x = 1,929,099,329,442,099
  5. Step 5: Solve for x
    x = 1,929,099,329,442,099/65,169,975.20
  6. Step 6: Final answer
    x = 29,601,044.40

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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.