Home / 238,302,400.20-357,453,600.30-84,953,459.40

Finding the Fourth Proportional to 238,302,400.20, 357,453,600.30 and 84,953,459.40

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Solution

The fourth proportional to 238,302,400.20, 357,453,600.30 and 84,953,459.40 is: 127,430,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,302,400.20 : 357,453,600.30 = 84,953,459.40 : x
  2. Step 2: Convert to fraction form
    238,302,400.20/357,453,600.30 = 84,953,459.40/x
  3. Step 3: Cross multiply
    238,302,400.20x = 357,453,600.30 × 84,953,459.40
  4. Step 4: Simplify right side
    238,302,400.20x = 30,366,919,920,469,880
  5. Step 5: Solve for x
    x = 30,366,919,920,469,880/238,302,400.20
  6. Step 6: Final answer
    x = 127,430,189.10

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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.