Home / 121,408,358.40-182,112,537.60-100,150,718.40

Finding the Fourth Proportional to 121,408,358.40, 182,112,537.60 and 100,150,718.40

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Solution

The fourth proportional to 121,408,358.40, 182,112,537.60 and 100,150,718.40 is: 150,226,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,408,358.40 : 182,112,537.60 = 100,150,718.40 : x
  2. Step 2: Convert to fraction form
    121,408,358.40/182,112,537.60 = 100,150,718.40/x
  3. Step 3: Cross multiply
    121,408,358.40x = 182,112,537.60 × 100,150,718.40
  4. Step 4: Simplify right side
    121,408,358.40x = 18,238,701,470,287,012
  5. Step 5: Solve for x
    x = 18,238,701,470,287,012/121,408,358.40
  6. Step 6: Final answer
    x = 150,226,077.60

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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.