Home / 147,757,923.40-221,443,608.30-79,453,539.40

Finding the Fourth Proportional to 147,757,923.40, 221,443,608.30 and 79,453,539.40

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Solution

The fourth proportional to 147,757,923.40, 221,443,608.30 and 79,453,539.40 is: 119,076,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,757,923.40 : 221,443,608.30 = 79,453,539.40 : x
  2. Step 2: Convert to fraction form
    147,757,923.40/221,443,608.30 = 79,453,539.40/x
  3. Step 3: Cross multiply
    147,757,923.40x = 221,443,608.30 × 79,453,539.40
  4. Step 4: Simplify right side
    147,757,923.40x = 17,594,478,456,942,220
  5. Step 5: Solve for x
    x = 17,594,478,456,942,220/147,757,923.40
  6. Step 6: Final answer
    x = 119,076,378.80

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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.