Home / 65,200,431.40-97,800,647.10-58,397,986.60

Finding the Fourth Proportional to 65,200,431.40, 97,800,647.10 and 58,397,986.60

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Solution

The fourth proportional to 65,200,431.40, 97,800,647.10 and 58,397,986.60 is: 87,596,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,431.40 : 97,800,647.10 = 58,397,986.60 : x
  2. Step 2: Convert to fraction form
    65,200,431.40/97,800,647.10 = 58,397,986.60/x
  3. Step 3: Cross multiply
    65,200,431.40x = 97,800,647.10 × 58,397,986.60
  4. Step 4: Simplify right side
    65,200,431.40x = 5,711,360,878,817,129
  5. Step 5: Solve for x
    x = 5,711,360,878,817,129/65,200,431.40
  6. Step 6: Final answer
    x = 87,596,979.90

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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.