Home / 201,643,236.30-302,464,854.45-99,456,228.30

Finding the Fourth Proportional to 201,643,236.30, 302,464,854.45 and 99,456,228.30

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Solution

The fourth proportional to 201,643,236.30, 302,464,854.45 and 99,456,228.30 is: 149,184,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,643,236.30 : 302,464,854.45 = 99,456,228.30 : x
  2. Step 2: Convert to fraction form
    201,643,236.30/302,464,854.45 = 99,456,228.30/x
  3. Step 3: Cross multiply
    201,643,236.30x = 302,464,854.45 × 99,456,228.30
  4. Step 4: Simplify right side
    201,643,236.30x = 30,082,013,616,905,468
  5. Step 5: Solve for x
    x = 30,082,013,616,905,468/201,643,236.30
  6. Step 6: Final answer
    x = 149,184,342.45

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Double scale
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Similar ratio
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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.