Home / 43,453,971.80-65,180,957.70-38,667,066.20

Finding the Fourth Proportional to 43,453,971.80, 65,180,957.70 and 38,667,066.20

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Solution

The fourth proportional to 43,453,971.80, 65,180,957.70 and 38,667,066.20 is: 58,000,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453,971.80 : 65,180,957.70 = 38,667,066.20 : x
  2. Step 2: Convert to fraction form
    43,453,971.80/65,180,957.70 = 38,667,066.20/x
  3. Step 3: Cross multiply
    43,453,971.80x = 65,180,957.70 × 38,667,066.20
  4. Step 4: Simplify right side
    43,453,971.80x = 2,520,356,406,365,300
  5. Step 5: Solve for x
    x = 2,520,356,406,365,300/43,453,971.80
  6. Step 6: Final answer
    x = 58,000,599.30

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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.