Home / 208,318,658.85-312,495,027.44-104,634,550.53

Finding the Fourth Proportional to 208,318,658.85, 312,495,027.44 and 104,634,550.53

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Solution

The fourth proportional to 208,318,658.85, 312,495,027.44 and 104,634,550.53 is: 156,960,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,318,658.85 : 312,495,027.44 = 104,634,550.53 : x
  2. Step 2: Convert to fraction form
    208,318,658.85/312,495,027.44 = 104,634,550.53/x
  3. Step 3: Cross multiply
    208,318,658.85x = 312,495,027.44 × 104,634,550.53
  4. Step 4: Simplify right side
    208,318,658.85x = 32,697,776,738,521,244
  5. Step 5: Solve for x
    x = 32,697,776,738,521,244/208,318,658.85
  6. Step 6: Final answer
    x = 156,960,384.25

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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.