Home / 85,926,503.40-128,777,780.70-34,766,644.20

Finding the Fourth Proportional to 85,926,503.40, 128,777,780.70 and 34,766,644.20

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Solution

The fourth proportional to 85,926,503.40, 128,777,780.70 and 34,766,644.20 is: 52,104,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,926,503.40 : 128,777,780.70 = 34,766,644.20 : x
  2. Step 2: Convert to fraction form
    85,926,503.40/128,777,780.70 = 34,766,644.20/x
  3. Step 3: Cross multiply
    85,926,503.40x = 128,777,780.70 × 34,766,644.20
  4. Step 4: Simplify right side
    85,926,503.40x = 4,477,171,282,462,527.50
  5. Step 5: Solve for x
    x = 4,477,171,282,462,527.50/85,926,503.40
  6. Step 6: Final answer
    x = 52,104,660.44

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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.