Home / 42,492,861.85-63,833,771.18-40,886,729.05

Finding the Fourth Proportional to 42,492,861.85, 63,833,771.18 and 40,886,729.05

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Solution

The fourth proportional to 42,492,861.85, 63,833,771.18 and 40,886,729.05 is: 61,421,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,492,861.85 : 63,833,771.18 = 40,886,729.05 : x
  2. Step 2: Convert to fraction form
    42,492,861.85/63,833,771.18 = 40,886,729.05/x
  3. Step 3: Cross multiply
    42,492,861.85x = 63,833,771.18 × 40,886,729.05
  4. Step 4: Simplify right side
    42,492,861.85x = 2,609,954,106,271,925
  5. Step 5: Solve for x
    x = 2,609,954,106,271,925/42,492,861.85
  6. Step 6: Final answer
    x = 61,421,000.91

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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.