Home / 150,788,990.64-208,076,544.72-84,705,898.80

Finding the Fourth Proportional to 150,788,990.64, 208,076,544.72 and 84,705,898.80

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Solution

The fourth proportional to 150,788,990.64, 208,076,544.72 and 84,705,898.80 is: 116,887,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,788,990.64 : 208,076,544.72 = 84,705,898.80 : x
  2. Step 2: Convert to fraction form
    150,788,990.64/208,076,544.72 = 84,705,898.80/x
  3. Step 3: Cross multiply
    150,788,990.64x = 208,076,544.72 × 84,705,898.80
  4. Step 4: Simplify right side
    150,788,990.64x = 17,625,310,739,705,994
  5. Step 5: Solve for x
    x = 17,625,310,739,705,994/150,788,990.64
  6. Step 6: Final answer
    x = 116,887,251.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.