Home / 72,027,668.07-99,410,742.32-42,675,526.35

Finding the Fourth Proportional to 72,027,668.07, 99,410,742.32 and 42,675,526.35

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Solution

The fourth proportional to 72,027,668.07, 99,410,742.32 and 42,675,526.35 is: 58,899,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,027,668.07 : 99,410,742.32 = 42,675,526.35 : x
  2. Step 2: Convert to fraction form
    72,027,668.07/99,410,742.32 = 42,675,526.35/x
  3. Step 3: Cross multiply
    72,027,668.07x = 99,410,742.32 × 42,675,526.35
  4. Step 4: Simplify right side
    72,027,668.07x = 4,242,405,753,136,842.50
  5. Step 5: Solve for x
    x = 4,242,405,753,136,842.50/72,027,668.07
  6. Step 6: Final answer
    x = 58,899,668.24

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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.