Home / 76,124,931.12-105,052,520.16-41,317,634.16

Finding the Fourth Proportional to 76,124,931.12, 105,052,520.16 and 41,317,634.16

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Solution

The fourth proportional to 76,124,931.12, 105,052,520.16 and 41,317,634.16 is: 57,018,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124,931.12 : 105,052,520.16 = 41,317,634.16 : x
  2. Step 2: Convert to fraction form
    76,124,931.12/105,052,520.16 = 41,317,634.16/x
  3. Step 3: Cross multiply
    76,124,931.12x = 105,052,520.16 × 41,317,634.16
  4. Step 4: Simplify right side
    76,124,931.12x = 4,340,521,595,556,904
  5. Step 5: Solve for x
    x = 4,340,521,595,556,904/76,124,931.12
  6. Step 6: Final answer
    x = 57,018,397.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.