Home / 105,405,575.12-157,878,093.40-43,807,976.52

Finding the Fourth Proportional to 105,405,575.12, 157,878,093.40 and 43,807,976.52

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Solution

The fourth proportional to 105,405,575.12, 157,878,093.40 and 43,807,976.52 is: 65,616,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,405,575.12 : 157,878,093.40 = 43,807,976.52 : x
  2. Step 2: Convert to fraction form
    105,405,575.12/157,878,093.40 = 43,807,976.52/x
  3. Step 3: Cross multiply
    105,405,575.12x = 157,878,093.40 × 43,807,976.52
  4. Step 4: Simplify right side
    105,405,575.12x = 6,916,319,808,689,568
  5. Step 5: Solve for x
    x = 6,916,319,808,689,568/105,405,575.12
  6. Step 6: Final answer
    x = 65,616,261.77

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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.