Home / 75,191,322.86-112,765,103.75-29,122,916.93

Finding the Fourth Proportional to 75,191,322.86, 112,765,103.75 and 29,122,916.93

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Solution

The fourth proportional to 75,191,322.86, 112,765,103.75 and 29,122,916.93 is: 43,675,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,191,322.86 : 112,765,103.75 = 29,122,916.93 : x
  2. Step 2: Convert to fraction form
    75,191,322.86/112,765,103.75 = 29,122,916.93/x
  3. Step 3: Cross multiply
    75,191,322.86x = 112,765,103.75 × 29,122,916.93
  4. Step 4: Simplify right side
    75,191,322.86x = 3,284,048,748,404,641.50
  5. Step 5: Solve for x
    x = 3,284,048,748,404,641.50/75,191,322.86
  6. Step 6: Final answer
    x = 43,675,900.67

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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.