Home / 64,121,511.40-96,245,252.70-31,809,898.60

Finding the Fourth Proportional to 64,121,511.40, 96,245,252.70 and 31,809,898.60

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Solution

The fourth proportional to 64,121,511.40, 96,245,252.70 and 31,809,898.60 is: 47,746,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121,511.40 : 96,245,252.70 = 31,809,898.60 : x
  2. Step 2: Convert to fraction form
    64,121,511.40/96,245,252.70 = 31,809,898.60/x
  3. Step 3: Cross multiply
    64,121,511.40x = 96,245,252.70 × 31,809,898.60
  4. Step 4: Simplify right side
    64,121,511.40x = 3,061,551,729,118,376.50
  5. Step 5: Solve for x
    x = 3,061,551,729,118,376.50/64,121,511.40
  6. Step 6: Final answer
    x = 47,746,094.29

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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.