Home / 61,770,773.12-85,208,250.88-38,525,543.60

Finding the Fourth Proportional to 61,770,773.12, 85,208,250.88 and 38,525,543.60

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Solution

The fourth proportional to 61,770,773.12, 85,208,250.88 and 38,525,543.60 is: 53,143,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,770,773.12 : 85,208,250.88 = 38,525,543.60 : x
  2. Step 2: Convert to fraction form
    61,770,773.12/85,208,250.88 = 38,525,543.60/x
  3. Step 3: Cross multiply
    61,770,773.12x = 85,208,250.88 × 38,525,543.60
  4. Step 4: Simplify right side
    61,770,773.12x = 3,282,694,184,357,178.50
  5. Step 5: Solve for x
    x = 3,282,694,184,357,178.50/61,770,773.12
  6. Step 6: Final answer
    x = 53,143,161.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.