Home / 146,479,009.63-219,594,943.47-120,572,589.48

Finding the Fourth Proportional to 146,479,009.63, 219,594,943.47 and 120,572,589.48

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Solution

The fourth proportional to 146,479,009.63, 219,594,943.47 and 120,572,589.48 is: 180,757,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,479,009.63 : 219,594,943.47 = 120,572,589.48 : x
  2. Step 2: Convert to fraction form
    146,479,009.63/219,594,943.47 = 120,572,589.48/x
  3. Step 3: Cross multiply
    146,479,009.63x = 219,594,943.47 × 120,572,589.48
  4. Step 4: Simplify right side
    146,479,009.63x = 26,477,130,969,191,280
  5. Step 5: Solve for x
    x = 26,477,130,969,191,280/146,479,009.63
  6. Step 6: Final answer
    x = 180,757,168.12

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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.