Home / 57,980,199.40-86,970,299.10-38,869,901.80

Finding the Fourth Proportional to 57,980,199.40, 86,970,299.10 and 38,869,901.80

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Solution

The fourth proportional to 57,980,199.40, 86,970,299.10 and 38,869,901.80 is: 58,304,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980,199.40 : 86,970,299.10 = 38,869,901.80 : x
  2. Step 2: Convert to fraction form
    57,980,199.40/86,970,299.10 = 38,869,901.80/x
  3. Step 3: Cross multiply
    57,980,199.40x = 86,970,299.10 × 38,869,901.80
  4. Step 4: Simplify right side
    57,980,199.40x = 3,380,526,985,533,628
  5. Step 5: Solve for x
    x = 3,380,526,985,533,628/57,980,199.40
  6. Step 6: Final answer
    x = 58,304,852.70

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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.