Home / 48,731,856.80-67,280,539.56-31,358,394.42

Finding the Fourth Proportional to 48,731,856.80, 67,280,539.56 and 31,358,394.42

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Solution

The fourth proportional to 48,731,856.80, 67,280,539.56 and 31,358,394.42 is: 43,294,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731,856.80 : 67,280,539.56 = 31,358,394.42 : x
  2. Step 2: Convert to fraction form
    48,731,856.80/67,280,539.56 = 31,358,394.42/x
  3. Step 3: Cross multiply
    48,731,856.80x = 67,280,539.56 × 31,358,394.42
  4. Step 4: Simplify right side
    48,731,856.80x = 2,109,809,696,312,893.50
  5. Step 5: Solve for x
    x = 2,109,809,696,312,893.50/48,731,856.80
  6. Step 6: Final answer
    x = 43,294,260.36

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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.