Home / 424,507,849.72-637,052,638.41-148,159,063.86

Finding the Fourth Proportional to 424,507,849.72, 637,052,638.41 and 148,159,063.86

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Solution

The fourth proportional to 424,507,849.72, 637,052,638.41 and 148,159,063.86 is: 222,340,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,507,849.72 : 637,052,638.41 = 148,159,063.86 : x
  2. Step 2: Convert to fraction form
    424,507,849.72/637,052,638.41 = 148,159,063.86/x
  3. Step 3: Cross multiply
    424,507,849.72x = 637,052,638.41 × 148,159,063.86
  4. Step 4: Simplify right side
    424,507,849.72x = 94,385,122,533,015,232
  5. Step 5: Solve for x
    x = 94,385,122,533,015,232/424,507,849.72
  6. Step 6: Final answer
    x = 222,340,111.25

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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.