Home / 446,148,240.40-669,222,360.60-139,439,861.20

Finding the Fourth Proportional to 446,148,240.40, 669,222,360.60 and 139,439,861.20

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Solution

The fourth proportional to 446,148,240.40, 669,222,360.60 and 139,439,861.20 is: 209,159,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,148,240.40 : 669,222,360.60 = 139,439,861.20 : x
  2. Step 2: Convert to fraction form
    446,148,240.40/669,222,360.60 = 139,439,861.20/x
  3. Step 3: Cross multiply
    446,148,240.40x = 669,222,360.60 × 139,439,861.20
  4. Step 4: Simplify right side
    446,148,240.40x = 93,316,273,074,000,352
  5. Step 5: Solve for x
    x = 93,316,273,074,000,352/446,148,240.40
  6. Step 6: Final answer
    x = 209,159,791.80

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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.