Home / 77,184,167.20-115,776,250.80-48,462,733.60

Finding the Fourth Proportional to 77,184,167.20, 115,776,250.80 and 48,462,733.60

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Solution

The fourth proportional to 77,184,167.20, 115,776,250.80 and 48,462,733.60 is: 72,694,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,184,167.20 : 115,776,250.80 = 48,462,733.60 : x
  2. Step 2: Convert to fraction form
    77,184,167.20/115,776,250.80 = 48,462,733.60/x
  3. Step 3: Cross multiply
    77,184,167.20x = 115,776,250.80 × 48,462,733.60
  4. Step 4: Simplify right side
    77,184,167.20x = 5,610,833,599,727,187
  5. Step 5: Solve for x
    x = 5,610,833,599,727,187/77,184,167.20
  6. Step 6: Final answer
    x = 72,694,100.40

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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.