Home / 99,257,432.40-148,886,148.60-30,170,102.40

Finding the Fourth Proportional to 99,257,432.40, 148,886,148.60 and 30,170,102.40

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Solution

The fourth proportional to 99,257,432.40, 148,886,148.60 and 30,170,102.40 is: 45,255,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,257,432.40 : 148,886,148.60 = 30,170,102.40 : x
  2. Step 2: Convert to fraction form
    99,257,432.40/148,886,148.60 = 30,170,102.40/x
  3. Step 3: Cross multiply
    99,257,432.40x = 148,886,148.60 × 30,170,102.40
  4. Step 4: Simplify right side
    99,257,432.40x = 4,491,910,349,203,616
  5. Step 5: Solve for x
    x = 4,491,910,349,203,616/99,257,432.40
  6. Step 6: Final answer
    x = 45,255,153.60

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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.