Home / 152,368,936.26-210,262,094.50-86,289,907.38

Finding the Fourth Proportional to 152,368,936.26, 210,262,094.50 and 86,289,907.38

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Solution

The fourth proportional to 152,368,936.26, 210,262,094.50 and 86,289,907.38 is: 119,076,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,368,936.26 : 210,262,094.50 = 86,289,907.38 : x
  2. Step 2: Convert to fraction form
    152,368,936.26/210,262,094.50 = 86,289,907.38/x
  3. Step 3: Cross multiply
    152,368,936.26x = 210,262,094.50 × 86,289,907.38
  4. Step 4: Simplify right side
    152,368,936.26x = 18,143,496,659,929,808
  5. Step 5: Solve for x
    x = 18,143,496,659,929,808/152,368,936.26
  6. Step 6: Final answer
    x = 119,076,086.67

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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.