Home / 162,525,125.60-243,787,688.40-76,431,683.60

Finding the Fourth Proportional to 162,525,125.60, 243,787,688.40 and 76,431,683.60

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Solution

The fourth proportional to 162,525,125.60, 243,787,688.40 and 76,431,683.60 is: 114,647,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,525,125.60 : 243,787,688.40 = 76,431,683.60 : x
  2. Step 2: Convert to fraction form
    162,525,125.60/243,787,688.40 = 76,431,683.60/x
  3. Step 3: Cross multiply
    162,525,125.60x = 243,787,688.40 × 76,431,683.60
  4. Step 4: Simplify right side
    162,525,125.60x = 18,633,103,465,364,188
  5. Step 5: Solve for x
    x = 18,633,103,465,364,188/162,525,125.60
  6. Step 6: Final answer
    x = 114,647,525.40

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Double scale
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Similar ratio
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1.5x scale

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.