Home / 58,134,639.72-87,199,060.80-21,740,354.40

Finding the Fourth Proportional to 58,134,639.72, 87,199,060.80 and 21,740,354.40

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Solution

The fourth proportional to 58,134,639.72, 87,199,060.80 and 21,740,354.40 is: 32,609,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,134,639.72 : 87,199,060.80 = 21,740,354.40 : x
  2. Step 2: Convert to fraction form
    58,134,639.72/87,199,060.80 = 21,740,354.40/x
  3. Step 3: Cross multiply
    58,134,639.72x = 87,199,060.80 × 21,740,354.40
  4. Step 4: Simplify right side
    58,134,639.72x = 1,895,738,485,139,147.25
  5. Step 5: Solve for x
    x = 1,895,738,485,139,147.25/58,134,639.72
  6. Step 6: Final answer
    x = 32,609,447.56

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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.