Home / 70,431,063.40-105,646,595.10-48,512,074.60

Finding the Fourth Proportional to 70,431,063.40, 105,646,595.10 and 48,512,074.60

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Solution

The fourth proportional to 70,431,063.40, 105,646,595.10 and 48,512,074.60 is: 72,768,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,431,063.40 : 105,646,595.10 = 48,512,074.60 : x
  2. Step 2: Convert to fraction form
    70,431,063.40/105,646,595.10 = 48,512,074.60/x
  3. Step 3: Cross multiply
    70,431,063.40x = 105,646,595.10 × 48,512,074.60
  4. Step 4: Simplify right side
    70,431,063.40x = 5,125,135,502,727,194
  5. Step 5: Solve for x
    x = 5,125,135,502,727,194/70,431,063.40
  6. Step 6: Final answer
    x = 72,768,111.90

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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.