Home / 149,688,021.80-224,532,032.70-69,066,453.80

Finding the Fourth Proportional to 149,688,021.80, 224,532,032.70 and 69,066,453.80

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Solution

The fourth proportional to 149,688,021.80, 224,532,032.70 and 69,066,453.80 is: 103,599,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,688,021.80 : 224,532,032.70 = 69,066,453.80 : x
  2. Step 2: Convert to fraction form
    149,688,021.80/224,532,032.70 = 69,066,453.80/x
  3. Step 3: Cross multiply
    149,688,021.80x = 224,532,032.70 × 69,066,453.80
  4. Step 4: Simplify right side
    149,688,021.80x = 15,507,631,263,094,638
  5. Step 5: Solve for x
    x = 15,507,631,263,094,638/149,688,021.80
  6. Step 6: Final answer
    x = 103,599,680.70

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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.