Home / 210,030,073.17-289,833,903.14-115,942,199.25

Finding the Fourth Proportional to 210,030,073.17, 289,833,903.14 and 115,942,199.25

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Solution

The fourth proportional to 210,030,073.17, 289,833,903.14 and 115,942,199.25 is: 159,996,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,030,073.17 : 289,833,903.14 = 115,942,199.25 : x
  2. Step 2: Convert to fraction form
    210,030,073.17/289,833,903.14 = 115,942,199.25/x
  3. Step 3: Cross multiply
    210,030,073.17x = 289,833,903.14 × 115,942,199.25
  4. Step 4: Simplify right side
    210,030,073.17x = 33,603,980,147,407,952
  5. Step 5: Solve for x
    x = 33,603,980,147,407,952/210,030,073.17
  6. Step 6: Final answer
    x = 159,996,040.76

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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.