Home / 64,121,427.40-96,245,126.70-31,809,814.60

Finding the Fourth Proportional to 64,121,427.40, 96,245,126.70 and 31,809,814.60

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Solution

The fourth proportional to 64,121,427.40, 96,245,126.70 and 31,809,814.60 is: 47,745,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121,427.40 : 96,245,126.70 = 31,809,814.60 : x
  2. Step 2: Convert to fraction form
    64,121,427.40/96,245,126.70 = 31,809,814.60/x
  3. Step 3: Cross multiply
    64,121,427.40x = 96,245,126.70 × 31,809,814.60
  4. Step 4: Simplify right side
    64,121,427.40x = 3,061,539,636,480,510
  5. Step 5: Solve for x
    x = 3,061,539,636,480,510/64,121,427.40
  6. Step 6: Final answer
    x = 47,745,968.25

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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.