Home / 128,000,064.75-192,024,315.60-40,583,599.35

Finding the Fourth Proportional to 128,000,064.75, 192,024,315.60 and 40,583,599.35

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Solution

The fourth proportional to 128,000,064.75, 192,024,315.60 and 40,583,599.35 is: 60,883,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,000,064.75 : 192,024,315.60 = 40,583,599.35 : x
  2. Step 2: Convert to fraction form
    128,000,064.75/192,024,315.60 = 40,583,599.35/x
  3. Step 3: Cross multiply
    128,000,064.75x = 192,024,315.60 × 40,583,599.35
  4. Step 4: Simplify right side
    128,000,064.75x = 7,793,037,889,768,355
  5. Step 5: Solve for x
    x = 7,793,037,889,768,355/128,000,064.75
  6. Step 6: Final answer
    x = 60,883,077.72

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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.