Home / 162,099,312.40-243,148,968.60-40,930,764.40

Finding the Fourth Proportional to 162,099,312.40, 243,148,968.60 and 40,930,764.40

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Solution

The fourth proportional to 162,099,312.40, 243,148,968.60 and 40,930,764.40 is: 61,396,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,099,312.40 : 243,148,968.60 = 40,930,764.40 : x
  2. Step 2: Convert to fraction form
    162,099,312.40/243,148,968.60 = 40,930,764.40/x
  3. Step 3: Cross multiply
    162,099,312.40x = 243,148,968.60 × 40,930,764.40
  4. Step 4: Simplify right side
    162,099,312.40x = 9,952,273,147,869,598
  5. Step 5: Solve for x
    x = 9,952,273,147,869,598/162,099,312.40
  6. Step 6: Final answer
    x = 61,396,146.60

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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.