Home / 152,254,070.57-210,104,991.26-82,637,956.78

Finding the Fourth Proportional to 152,254,070.57, 210,104,991.26 and 82,637,956.78

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Solution

The fourth proportional to 152,254,070.57, 210,104,991.26 and 82,637,956.78 is: 114,037,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,254,070.57 : 210,104,991.26 = 82,637,956.78 : x
  2. Step 2: Convert to fraction form
    152,254,070.57/210,104,991.26 = 82,637,956.78/x
  3. Step 3: Cross multiply
    152,254,070.57x = 210,104,991.26 × 82,637,956.78
  4. Step 4: Simplify right side
    152,254,070.57x = 17,362,647,186,067,706
  5. Step 5: Solve for x
    x = 17,362,647,186,067,706/152,254,070.57
  6. Step 6: Final answer
    x = 114,037,326.69

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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.