Home / 65,203,012.60-97,804,518.90-31,190,788.60

Finding the Fourth Proportional to 65,203,012.60, 97,804,518.90 and 31,190,788.60

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Solution

The fourth proportional to 65,203,012.60, 97,804,518.90 and 31,190,788.60 is: 46,786,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,012.60 : 97,804,518.90 = 31,190,788.60 : x
  2. Step 2: Convert to fraction form
    65,203,012.60/97,804,518.90 = 31,190,788.60/x
  3. Step 3: Cross multiply
    65,203,012.60x = 97,804,518.90 × 31,190,788.60
  4. Step 4: Simplify right side
    65,203,012.60x = 3,050,600,073,134,605
  5. Step 5: Solve for x
    x = 3,050,600,073,134,605/65,203,012.60
  6. Step 6: Final answer
    x = 46,786,182.90

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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.