Home / 111,224,000.40-166,836,000.60-77,211,776.40

Finding the Fourth Proportional to 111,224,000.40, 166,836,000.60 and 77,211,776.40

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Solution

The fourth proportional to 111,224,000.40, 166,836,000.60 and 77,211,776.40 is: 115,817,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,224,000.40 : 166,836,000.60 = 77,211,776.40 : x
  2. Step 2: Convert to fraction form
    111,224,000.40/166,836,000.60 = 77,211,776.40/x
  3. Step 3: Cross multiply
    111,224,000.40x = 166,836,000.60 × 77,211,776.40
  4. Step 4: Simplify right side
    111,224,000.40x = 12,881,703,973,797,466
  5. Step 5: Solve for x
    x = 12,881,703,973,797,466/111,224,000.40
  6. Step 6: Final answer
    x = 115,817,664.60

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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.