Home / 261,179,756.21-391,339,164.27-151,697,595.80

Finding the Fourth Proportional to 261,179,756.21, 391,339,164.27 and 151,697,595.80

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Solution

The fourth proportional to 261,179,756.21, 391,339,164.27 and 151,697,595.80 is: 227,296,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,179,756.21 : 391,339,164.27 = 151,697,595.80 : x
  2. Step 2: Convert to fraction form
    261,179,756.21/391,339,164.27 = 151,697,595.80/x
  3. Step 3: Cross multiply
    261,179,756.21x = 391,339,164.27 × 151,697,595.80
  4. Step 4: Simplify right side
    261,179,756.21x = 59,365,210,363,118,608
  5. Step 5: Solve for x
    x = 59,365,210,363,118,608/261,179,756.21
  6. Step 6: Final answer
    x = 227,296,369.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.