Home / 43,049,162.76-64,539,643.34-21,472,658.16

Finding the Fourth Proportional to 43,049,162.76, 64,539,643.34 and 21,472,658.16

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Solution

The fourth proportional to 43,049,162.76, 64,539,643.34 and 21,472,658.16 is: 32,191,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049,162.76 : 64,539,643.34 = 21,472,658.16 : x
  2. Step 2: Convert to fraction form
    43,049,162.76/64,539,643.34 = 21,472,658.16/x
  3. Step 3: Cross multiply
    43,049,162.76x = 64,539,643.34 × 21,472,658.16
  4. Step 4: Simplify right side
    43,049,162.76x = 1,385,837,699,208,140.75
  5. Step 5: Solve for x
    x = 1,385,837,699,208,140.75/43,049,162.76
  6. Step 6: Final answer
    x = 32,191,977.97

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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.