Home / 317,646,240.75-476,362,242.55-120,862,938.67

Finding the Fourth Proportional to 317,646,240.75, 476,362,242.55 and 120,862,938.67

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Solution

The fourth proportional to 317,646,240.75, 476,362,242.55 and 120,862,938.67 is: 181,253,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,646,240.75 : 476,362,242.55 = 120,862,938.67 : x
  2. Step 2: Convert to fraction form
    317,646,240.75/476,362,242.55 = 120,862,938.67/x
  3. Step 3: Cross multiply
    317,646,240.75x = 476,362,242.55 × 120,862,938.67
  4. Step 4: Simplify right side
    317,646,240.75x = 57,574,540,506,491,072
  5. Step 5: Solve for x
    x = 57,574,540,506,491,072/317,646,240.75
  6. Step 6: Final answer
    x = 181,253,649.88

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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.