Home / 187,255,467.80-258,412,970.70-103,629,683.48

Finding the Fourth Proportional to 187,255,467.80, 258,412,970.70 and 103,629,683.48

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Solution

The fourth proportional to 187,255,467.80, 258,412,970.70 and 103,629,683.48 is: 143,009,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,255,467.80 : 258,412,970.70 = 103,629,683.48 : x
  2. Step 2: Convert to fraction form
    187,255,467.80/258,412,970.70 = 103,629,683.48/x
  3. Step 3: Cross multiply
    187,255,467.80x = 258,412,970.70 × 103,629,683.48
  4. Step 4: Simplify right side
    187,255,467.80x = 26,779,254,360,767,512
  5. Step 5: Solve for x
    x = 26,779,254,360,767,512/187,255,467.80
  6. Step 6: Final answer
    x = 143,009,198.48

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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.