Home / 275,439,698.06-413,223,374.60-78,705,673.63

Finding the Fourth Proportional to 275,439,698.06, 413,223,374.60 and 78,705,673.63

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Solution

The fourth proportional to 275,439,698.06, 413,223,374.60 and 78,705,673.63 is: 118,076,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,439,698.06 : 413,223,374.60 = 78,705,673.63 : x
  2. Step 2: Convert to fraction form
    275,439,698.06/413,223,374.60 = 78,705,673.63/x
  3. Step 3: Cross multiply
    275,439,698.06x = 413,223,374.60 × 78,705,673.63
  4. Step 4: Simplify right side
    275,439,698.06x = 32,523,024,057,554,832
  5. Step 5: Solve for x
    x = 32,523,024,057,554,832/275,439,698.06
  6. Step 6: Final answer
    x = 118,076,748.87

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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.