Home / 291,045,623.10-436,629,087.45-97,017,315.90

Finding the Fourth Proportional to 291,045,623.10, 436,629,087.45 and 97,017,315.90

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Solution

The fourth proportional to 291,045,623.10, 436,629,087.45 and 97,017,315.90 is: 145,546,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,045,623.10 : 436,629,087.45 = 97,017,315.90 : x
  2. Step 2: Convert to fraction form
    291,045,623.10/436,629,087.45 = 97,017,315.90/x
  3. Step 3: Cross multiply
    291,045,623.10x = 436,629,087.45 × 97,017,315.90
  4. Step 4: Simplify right side
    291,045,623.10x = 42,360,582,108,265,376
  5. Step 5: Solve for x
    x = 42,360,582,108,265,376/291,045,623.10
  6. Step 6: Final answer
    x = 145,546,191.89

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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.