Home / 243,173,868.85-364,783,226.78-79,412,483.70

Finding the Fourth Proportional to 243,173,868.85, 364,783,226.78 and 79,412,483.70

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Solution

The fourth proportional to 243,173,868.85, 364,783,226.78 and 79,412,483.70 is: 119,126,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,173,868.85 : 364,783,226.78 = 79,412,483.70 : x
  2. Step 2: Convert to fraction form
    243,173,868.85/364,783,226.78 = 79,412,483.70/x
  3. Step 3: Cross multiply
    243,173,868.85x = 364,783,226.78 × 79,412,483.70
  4. Step 4: Simplify right side
    243,173,868.85x = 28,968,342,050,452,388
  5. Step 5: Solve for x
    x = 28,968,342,050,452,388/243,173,868.85
  6. Step 6: Final answer
    x = 119,126,048.32

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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.