Home / 152,254,091.67-210,105,020.31-82,637,977.87

Finding the Fourth Proportional to 152,254,091.67, 210,105,020.31 and 82,637,977.87

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Solution

The fourth proportional to 152,254,091.67, 210,105,020.31 and 82,637,977.87 is: 114,037,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,254,091.67 : 210,105,020.31 = 82,637,977.87 : x
  2. Step 2: Convert to fraction form
    152,254,091.67/210,105,020.31 = 82,637,977.87/x
  3. Step 3: Cross multiply
    152,254,091.67x = 210,105,020.31 × 82,637,977.87
  4. Step 4: Simplify right side
    152,254,091.67x = 17,362,654,019,995,946
  5. Step 5: Solve for x
    x = 17,362,654,019,995,946/152,254,091.67
  6. Step 6: Final answer
    x = 114,037,355.78

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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.