Home / 201,012,078.60-301,518,117.90-71,765,627.40

Finding the Fourth Proportional to 201,012,078.60, 301,518,117.90 and 71,765,627.40

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Solution

The fourth proportional to 201,012,078.60, 301,518,117.90 and 71,765,627.40 is: 107,648,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,012,078.60 : 301,518,117.90 = 71,765,627.40 : x
  2. Step 2: Convert to fraction form
    201,012,078.60/301,518,117.90 = 71,765,627.40/x
  3. Step 3: Cross multiply
    201,012,078.60x = 301,518,117.90 × 71,765,627.40
  4. Step 4: Simplify right side
    201,012,078.60x = 21,638,636,903,560,672
  5. Step 5: Solve for x
    x = 21,638,636,903,560,672/201,012,078.60
  6. Step 6: Final answer
    x = 107,648,441.10

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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.