Home / 139,688,712,246.60-209,533,068,369.90-40,318,598,608.20

Finding the Fourth Proportional to 139,688,712,246.60, 209,533,068,369.90 and 40,318,598,608.20

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Solution

The fourth proportional to 139,688,712,246.60, 209,533,068,369.90 and 40,318,598,608.20 is: 60,477,897,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,688,712,246.60 : 209,533,068,369.90 = 40,318,598,608.20 : x
  2. Step 2: Convert to fraction form
    139,688,712,246.60/209,533,068,369.90 = 40,318,598,608.20/x
  3. Step 3: Cross multiply
    139,688,712,246.60x = 209,533,068,369.90 × 40,318,598,608.20
  4. Step 4: Simplify right side
    139,688,712,246.60x = 8,448,079,678,750,524,964,864
  5. Step 5: Solve for x
    x = 8,448,079,678,750,524,964,864/139,688,712,246.60
  6. Step 6: Final answer
    x = 60,477,897,912.30

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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.