Home / 149,339,140.80-224,008,711.20-140,269,214.40

Finding the Fourth Proportional to 149,339,140.80, 224,008,711.20 and 140,269,214.40

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Solution

The fourth proportional to 149,339,140.80, 224,008,711.20 and 140,269,214.40 is: 210,403,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,339,140.80 : 224,008,711.20 = 140,269,214.40 : x
  2. Step 2: Convert to fraction form
    149,339,140.80/224,008,711.20 = 140,269,214.40/x
  3. Step 3: Cross multiply
    149,339,140.80x = 224,008,711.20 × 140,269,214.40
  4. Step 4: Simplify right side
    149,339,140.80x = 31,421,525,938,780,480
  5. Step 5: Solve for x
    x = 31,421,525,938,780,480/149,339,140.80
  6. Step 6: Final answer
    x = 210,403,821.60

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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.