Home / 149,476,812.30-224,047,256.85-76,665,458.70

Finding the Fourth Proportional to 149,476,812.30, 224,047,256.85 and 76,665,458.70

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Solution

The fourth proportional to 149,476,812.30, 224,047,256.85 and 76,665,458.70 is: 114,912,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,476,812.30 : 224,047,256.85 = 76,665,458.70 : x
  2. Step 2: Convert to fraction form
    149,476,812.30/224,047,256.85 = 76,665,458.70/x
  3. Step 3: Cross multiply
    149,476,812.30x = 224,047,256.85 × 76,665,458.70
  4. Step 4: Simplify right side
    149,476,812.30x = 17,176,685,716,881,968
  5. Step 5: Solve for x
    x = 17,176,685,716,881,968/149,476,812.30
  6. Step 6: Final answer
    x = 114,912,041.89

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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.