Home / 78,011,190.60-117,030,782.70-32,577,577.80

Finding the Fourth Proportional to 78,011,190.60, 117,030,782.70 and 32,577,577.80

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Solution

The fourth proportional to 78,011,190.60, 117,030,782.70 and 32,577,577.80 is: 48,872,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,011,190.60 : 117,030,782.70 = 32,577,577.80 : x
  2. Step 2: Convert to fraction form
    78,011,190.60/117,030,782.70 = 32,577,577.80/x
  3. Step 3: Cross multiply
    78,011,190.60x = 117,030,782.70 × 32,577,577.80
  4. Step 4: Simplify right side
    78,011,190.60x = 3,812,579,428,404,144
  5. Step 5: Solve for x
    x = 3,812,579,428,404,144/78,011,190.60
  6. Step 6: Final answer
    x = 48,872,211.78

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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.