Home / 61,208,455.80-91,600,107.30-42,076,579.80

Finding the Fourth Proportional to 61,208,455.80, 91,600,107.30 and 42,076,579.80

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Solution

The fourth proportional to 61,208,455.80, 91,600,107.30 and 42,076,579.80 is: 62,968,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,208,455.80 : 91,600,107.30 = 42,076,579.80 : x
  2. Step 2: Convert to fraction form
    61,208,455.80/91,600,107.30 = 42,076,579.80/x
  3. Step 3: Cross multiply
    61,208,455.80x = 91,600,107.30 × 42,076,579.80
  4. Step 4: Simplify right side
    61,208,455.80x = 3,854,219,224,497,012
  5. Step 5: Solve for x
    x = 3,854,219,224,497,012/61,208,455.80
  6. Step 6: Final answer
    x = 62,968,738.13

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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.