Home / 166,464,000.40-249,696,000.60-120,811,622.80

Finding the Fourth Proportional to 166,464,000.40, 249,696,000.60 and 120,811,622.80

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Solution

The fourth proportional to 166,464,000.40, 249,696,000.60 and 120,811,622.80 is: 181,217,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,464,000.40 : 249,696,000.60 = 120,811,622.80 : x
  2. Step 2: Convert to fraction form
    166,464,000.40/249,696,000.60 = 120,811,622.80/x
  3. Step 3: Cross multiply
    166,464,000.40x = 249,696,000.60 × 120,811,622.80
  4. Step 4: Simplify right side
    166,464,000.40x = 30,166,179,039,155,772
  5. Step 5: Solve for x
    x = 30,166,179,039,155,772/166,464,000.40
  6. Step 6: Final answer
    x = 181,217,434.20

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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.