Home / 70,431,200.40-105,646,800.60-48,512,211.60

Finding the Fourth Proportional to 70,431,200.40, 105,646,800.60 and 48,512,211.60

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Solution

The fourth proportional to 70,431,200.40, 105,646,800.60 and 48,512,211.60 is: 72,768,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,431,200.40 : 105,646,800.60 = 48,512,211.60 : x
  2. Step 2: Convert to fraction form
    70,431,200.40/105,646,800.60 = 48,512,211.60/x
  3. Step 3: Cross multiply
    70,431,200.40x = 105,646,800.60 × 48,512,211.60
  4. Step 4: Simplify right side
    70,431,200.40x = 5,125,159,945,570,207
  5. Step 5: Solve for x
    x = 5,125,159,945,570,207/70,431,200.40
  6. Step 6: Final answer
    x = 72,768,317.40

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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.