Home / 72,321,390.96-99,804,834.48-40,965,950.35

Finding the Fourth Proportional to 72,321,390.96, 99,804,834.48 and 40,965,950.35

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Solution

The fourth proportional to 72,321,390.96, 99,804,834.48 and 40,965,950.35 is: 56,533,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,321,390.96 : 99,804,834.48 = 40,965,950.35 : x
  2. Step 2: Convert to fraction form
    72,321,390.96/99,804,834.48 = 40,965,950.35/x
  3. Step 3: Cross multiply
    72,321,390.96x = 99,804,834.48 × 40,965,950.35
  4. Step 4: Simplify right side
    72,321,390.96x = 4,088,599,893,997,648.50
  5. Step 5: Solve for x
    x = 4,088,599,893,997,648.50/72,321,390.96
  6. Step 6: Final answer
    x = 56,533,756.33

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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.