Home / 156,492,015.60-234,738,023.40-98,293,321.20

Finding the Fourth Proportional to 156,492,015.60, 234,738,023.40 and 98,293,321.20

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Solution

The fourth proportional to 156,492,015.60, 234,738,023.40 and 98,293,321.20 is: 147,439,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,492,015.60 : 234,738,023.40 = 98,293,321.20 : x
  2. Step 2: Convert to fraction form
    156,492,015.60/234,738,023.40 = 98,293,321.20/x
  3. Step 3: Cross multiply
    156,492,015.60x = 234,738,023.40 × 98,293,321.20
  4. Step 4: Simplify right side
    156,492,015.60x = 23,073,179,931,909,316
  5. Step 5: Solve for x
    x = 23,073,179,931,909,316/156,492,015.60
  6. Step 6: Final answer
    x = 147,439,981.80

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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.