Home / 124,686,091.20-187,029,136.80-51,878,674.20

Finding the Fourth Proportional to 124,686,091.20, 187,029,136.80 and 51,878,674.20

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Solution

The fourth proportional to 124,686,091.20, 187,029,136.80 and 51,878,674.20 is: 77,818,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,686,091.20 : 187,029,136.80 = 51,878,674.20 : x
  2. Step 2: Convert to fraction form
    124,686,091.20/187,029,136.80 = 51,878,674.20/x
  3. Step 3: Cross multiply
    124,686,091.20x = 187,029,136.80 × 51,878,674.20
  4. Step 4: Simplify right side
    124,686,091.20x = 9,702,823,653,954,432
  5. Step 5: Solve for x
    x = 9,702,823,653,954,432/124,686,091.20
  6. Step 6: Final answer
    x = 77,818,011.30

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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.