Home / 89,291,352.51-133,868,903.72-40,735,249.11

Finding the Fourth Proportional to 89,291,352.51, 133,868,903.72 and 40,735,249.11

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Solution

The fourth proportional to 89,291,352.51, 133,868,903.72 and 40,735,249.11 is: 61,071,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,291,352.51 : 133,868,903.72 = 40,735,249.11 : x
  2. Step 2: Convert to fraction form
    89,291,352.51/133,868,903.72 = 40,735,249.11/x
  3. Step 3: Cross multiply
    89,291,352.51x = 133,868,903.72 × 40,735,249.11
  4. Step 4: Simplify right side
    89,291,352.51x = 5,453,183,140,913,130
  5. Step 5: Solve for x
    x = 5,453,183,140,913,130/89,291,352.51
  6. Step 6: Final answer
    x = 61,071,794.61

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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.