Home / 210,029,727.99-289,833,428.30-115,941,854.78

Finding the Fourth Proportional to 210,029,727.99, 289,833,428.30 and 115,941,854.78

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Solution

The fourth proportional to 210,029,727.99, 289,833,428.30 and 115,941,854.78 is: 159,995,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,029,727.99 : 289,833,428.30 = 115,941,854.78 : x
  2. Step 2: Convert to fraction form
    210,029,727.99/289,833,428.30 = 115,941,854.78/x
  3. Step 3: Cross multiply
    210,029,727.99x = 289,833,428.30 × 115,941,854.78
  4. Step 4: Simplify right side
    210,029,727.99x = 33,603,825,254,348,144
  5. Step 5: Solve for x
    x = 33,603,825,254,348,144/210,029,727.99
  6. Step 6: Final answer
    x = 159,995,566.23

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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.