Home / 132,781,698,023.12-183,243,113,832.84-72,633,290,647.76

Finding the Fourth Proportional to 132,781,698,023.12, 183,243,113,832.84 and 72,633,290,647.76

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Solution

The fourth proportional to 132,781,698,023.12, 183,243,113,832.84 and 72,633,290,647.76 is: 100,236,331,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,781,698,023.12 : 183,243,113,832.84 = 72,633,290,647.76 : x
  2. Step 2: Convert to fraction form
    132,781,698,023.12/183,243,113,832.84 = 72,633,290,647.76/x
  3. Step 3: Cross multiply
    132,781,698,023.12x = 183,243,113,832.84 × 72,633,290,647.76
  4. Step 4: Simplify right side
    132,781,698,023.12x = 13,309,550,346,221,236,781,056
  5. Step 5: Solve for x
    x = 13,309,550,346,221,236,781,056/132,781,698,023.12
  6. Step 6: Final answer
    x = 100,236,331,846.76

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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.