Home / 42,492,861.60-63,833,770.80-40,886,728.80

Finding the Fourth Proportional to 42,492,861.60, 63,833,770.80 and 40,886,728.80

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Solution

The fourth proportional to 42,492,861.60, 63,833,770.80 and 40,886,728.80 is: 61,421,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,492,861.60 : 63,833,770.80 = 40,886,728.80 : x
  2. Step 2: Convert to fraction form
    42,492,861.60/63,833,770.80 = 40,886,728.80/x
  3. Step 3: Cross multiply
    42,492,861.60x = 63,833,770.80 × 40,886,728.80
  4. Step 4: Simplify right side
    42,492,861.60x = 2,609,954,074,980,958.50
  5. Step 5: Solve for x
    x = 2,609,954,074,980,958.50/42,492,861.60
  6. Step 6: Final answer
    x = 61,421,000.53

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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.