Home / 201,113,514.90-301,670,272.35-109,280,510.10

Finding the Fourth Proportional to 201,113,514.90, 301,670,272.35 and 109,280,510.10

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Solution

The fourth proportional to 201,113,514.90, 301,670,272.35 and 109,280,510.10 is: 163,920,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,113,514.90 : 301,670,272.35 = 109,280,510.10 : x
  2. Step 2: Convert to fraction form
    201,113,514.90/301,670,272.35 = 109,280,510.10/x
  3. Step 3: Cross multiply
    201,113,514.90x = 301,670,272.35 × 109,280,510.10
  4. Step 4: Simplify right side
    201,113,514.90x = 32,966,681,244,413,928
  5. Step 5: Solve for x
    x = 32,966,681,244,413,928/201,113,514.90
  6. Step 6: Final answer
    x = 163,920,765.15

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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.