Home / 75,694,683.92-104,458,705.83-40,887,374.63

Finding the Fourth Proportional to 75,694,683.92, 104,458,705.83 and 40,887,374.63

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Solution

The fourth proportional to 75,694,683.92, 104,458,705.83 and 40,887,374.63 is: 56,424,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,694,683.92 : 104,458,705.83 = 40,887,374.63 : x
  2. Step 2: Convert to fraction form
    75,694,683.92/104,458,705.83 = 40,887,374.63/x
  3. Step 3: Cross multiply
    75,694,683.92x = 104,458,705.83 × 40,887,374.63
  4. Step 4: Simplify right side
    75,694,683.92x = 4,271,042,238,113,881.50
  5. Step 5: Solve for x
    x = 4,271,042,238,113,881.50/75,694,683.92
  6. Step 6: Final answer
    x = 56,424,599.68

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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.