Home / 256,124,597.57-384,197,525.17-74,371,775.57

Finding the Fourth Proportional to 256,124,597.57, 384,197,525.17 and 74,371,775.57

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Solution

The fourth proportional to 256,124,597.57, 384,197,525.17 and 74,371,775.57 is: 111,560,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,124,597.57 : 384,197,525.17 = 74,371,775.57 : x
  2. Step 2: Convert to fraction form
    256,124,597.57/384,197,525.17 = 74,371,775.57/x
  3. Step 3: Cross multiply
    256,124,597.57x = 384,197,525.17 × 74,371,775.57
  4. Step 4: Simplify right side
    256,124,597.57x = 28,573,452,114,199,820
  5. Step 5: Solve for x
    x = 28,573,452,114,199,820/256,124,597.57
  6. Step 6: Final answer
    x = 111,560,749.67

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1.5x scale

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.