Home / 65,201,071.60-97,801,607.40-31,188,847.60

Finding the Fourth Proportional to 65,201,071.60, 97,801,607.40 and 31,188,847.60

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Solution

The fourth proportional to 65,201,071.60, 97,801,607.40 and 31,188,847.60 is: 46,783,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,201,071.60 : 97,801,607.40 = 31,188,847.60 : x
  2. Step 2: Convert to fraction form
    65,201,071.60/97,801,607.40 = 31,188,847.60/x
  3. Step 3: Cross multiply
    65,201,071.60x = 97,801,607.40 × 31,188,847.60
  4. Step 4: Simplify right side
    65,201,071.60x = 3,050,319,428,233,632.50
  5. Step 5: Solve for x
    x = 3,050,319,428,233,632.50/65,201,071.60
  6. Step 6: Final answer
    x = 46,783,271.40

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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.