Home / 266,148,378.40-399,222,567.60-151,088,461.60

Finding the Fourth Proportional to 266,148,378.40, 399,222,567.60 and 151,088,461.60

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Solution

The fourth proportional to 266,148,378.40, 399,222,567.60 and 151,088,461.60 is: 226,632,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,148,378.40 : 399,222,567.60 = 151,088,461.60 : x
  2. Step 2: Convert to fraction form
    266,148,378.40/399,222,567.60 = 151,088,461.60/x
  3. Step 3: Cross multiply
    266,148,378.40x = 399,222,567.60 × 151,088,461.60
  4. Step 4: Simplify right side
    266,148,378.40x = 60,317,923,574,686,008
  5. Step 5: Solve for x
    x = 60,317,923,574,686,008/266,148,378.40
  6. Step 6: Final answer
    x = 226,632,692.40

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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.