Home / 81,254,096.19-121,879,732.52-32,730,709.64

Finding the Fourth Proportional to 81,254,096.19, 121,879,732.52 and 32,730,709.64

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Solution

The fourth proportional to 81,254,096.19, 121,879,732.52 and 32,730,709.64 is: 49,095,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,254,096.19 : 121,879,732.52 = 32,730,709.64 : x
  2. Step 2: Convert to fraction form
    81,254,096.19/121,879,732.52 = 32,730,709.64/x
  3. Step 3: Cross multiply
    81,254,096.19x = 121,879,732.52 × 32,730,709.64
  4. Step 4: Simplify right side
    81,254,096.19x = 3,989,210,135,585,413.50
  5. Step 5: Solve for x
    x = 3,989,210,135,585,413.50/81,254,096.19
  6. Step 6: Final answer
    x = 49,095,495.77

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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.