Home / 149,688,008.80-224,532,013.20-69,066,440.80

Finding the Fourth Proportional to 149,688,008.80, 224,532,013.20 and 69,066,440.80

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Solution

The fourth proportional to 149,688,008.80, 224,532,013.20 and 69,066,440.80 is: 103,599,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,688,008.80 : 224,532,013.20 = 69,066,440.80 : x
  2. Step 2: Convert to fraction form
    149,688,008.80/224,532,013.20 = 69,066,440.80/x
  3. Step 3: Cross multiply
    149,688,008.80x = 224,532,013.20 × 69,066,440.80
  4. Step 4: Simplify right side
    149,688,008.80x = 15,507,626,997,382,618
  5. Step 5: Solve for x
    x = 15,507,626,997,382,618/149,688,008.80
  6. Step 6: Final answer
    x = 103,599,661.20

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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.