Home / 210,030,080.51-289,833,913.31-115,942,206.62

Finding the Fourth Proportional to 210,030,080.51, 289,833,913.31 and 115,942,206.62

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Solution

The fourth proportional to 210,030,080.51, 289,833,913.31 and 115,942,206.62 is: 159,996,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,030,080.51 : 289,833,913.31 = 115,942,206.62 : x
  2. Step 2: Convert to fraction form
    210,030,080.51/289,833,913.31 = 115,942,206.62/x
  3. Step 3: Cross multiply
    210,030,080.51x = 289,833,913.31 × 115,942,206.62
  4. Step 4: Simplify right side
    210,030,080.51x = 33,603,983,460,442,308
  5. Step 5: Solve for x
    x = 33,603,983,460,442,308/210,030,080.51
  6. Step 6: Final answer
    x = 159,996,050.94

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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.