Home / 210,030,150.61-289,834,011.43-115,942,278.14

Finding the Fourth Proportional to 210,030,150.61, 289,834,011.43 and 115,942,278.14

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Solution

The fourth proportional to 210,030,150.61, 289,834,011.43 and 115,942,278.14 is: 159,996,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,030,150.61 : 289,834,011.43 = 115,942,278.14 : x
  2. Step 2: Convert to fraction form
    210,030,150.61/289,834,011.43 = 115,942,278.14/x
  3. Step 3: Cross multiply
    210,030,150.61x = 289,834,011.43 × 115,942,278.14
  4. Step 4: Simplify right side
    210,030,150.61x = 33,604,015,567,649,000
  5. Step 5: Solve for x
    x = 33,604,015,567,649,000/210,030,150.61
  6. Step 6: Final answer
    x = 159,996,150.41

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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.