Home / 112,288,363.20-168,432,544.80-99,108,626.40

Finding the Fourth Proportional to 112,288,363.20, 168,432,544.80 and 99,108,626.40

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Solution

The fourth proportional to 112,288,363.20, 168,432,544.80 and 99,108,626.40 is: 148,662,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,288,363.20 : 168,432,544.80 = 99,108,626.40 : x
  2. Step 2: Convert to fraction form
    112,288,363.20/168,432,544.80 = 99,108,626.40/x
  3. Step 3: Cross multiply
    112,288,363.20x = 168,432,544.80 × 99,108,626.40
  4. Step 4: Simplify right side
    112,288,363.20x = 16,693,118,156,184,464
  5. Step 5: Solve for x
    x = 16,693,118,156,184,464/112,288,363.20
  6. Step 6: Final answer
    x = 148,662,939.60

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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.