Home / 99,257,435.40-148,886,153.10-30,170,105.40

Finding the Fourth Proportional to 99,257,435.40, 148,886,153.10 and 30,170,105.40

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Solution

The fourth proportional to 99,257,435.40, 148,886,153.10 and 30,170,105.40 is: 45,255,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,257,435.40 : 148,886,153.10 = 30,170,105.40 : x
  2. Step 2: Convert to fraction form
    99,257,435.40/148,886,153.10 = 30,170,105.40/x
  3. Step 3: Cross multiply
    99,257,435.40x = 148,886,153.10 × 30,170,105.40
  4. Step 4: Simplify right side
    99,257,435.40x = 4,491,910,931,627,536.50
  5. Step 5: Solve for x
    x = 4,491,910,931,627,536.50/99,257,435.40
  6. Step 6: Final answer
    x = 45,255,158.10

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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.