Home / 105,511,203.40-158,266,805.10-65,200,419.40

Finding the Fourth Proportional to 105,511,203.40, 158,266,805.10 and 65,200,419.40

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Solution

The fourth proportional to 105,511,203.40, 158,266,805.10 and 65,200,419.40 is: 97,800,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,511,203.40 : 158,266,805.10 = 65,200,419.40 : x
  2. Step 2: Convert to fraction form
    105,511,203.40/158,266,805.10 = 65,200,419.40/x
  3. Step 3: Cross multiply
    105,511,203.40x = 158,266,805.10 × 65,200,419.40
  4. Step 4: Simplify right side
    105,511,203.40x = 10,319,062,069,618,058
  5. Step 5: Solve for x
    x = 10,319,062,069,618,058/105,511,203.40
  6. Step 6: Final answer
    x = 97,800,629.10

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1.5x scale

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.