Home / 70,985,735.70-97,960,380.58-38,390,687.70

Finding the Fourth Proportional to 70,985,735.70, 97,960,380.58 and 38,390,687.70

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Solution

The fourth proportional to 70,985,735.70, 97,960,380.58 and 38,390,687.70 is: 52,979,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985,735.70 : 97,960,380.58 = 38,390,687.70 : x
  2. Step 2: Convert to fraction form
    70,985,735.70/97,960,380.58 = 38,390,687.70/x
  3. Step 3: Cross multiply
    70,985,735.70x = 97,960,380.58 × 38,390,687.70
  4. Step 4: Simplify right side
    70,985,735.70x = 3,760,766,377,819,925
  5. Step 5: Solve for x
    x = 3,760,766,377,819,925/70,985,735.70
  6. Step 6: Final answer
    x = 52,979,184.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.