Home / 150,788,990.77-208,076,544.89-84,705,898.93

Finding the Fourth Proportional to 150,788,990.77, 208,076,544.89 and 84,705,898.93

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Solution

The fourth proportional to 150,788,990.77, 208,076,544.89 and 84,705,898.93 is: 116,887,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,788,990.77 : 208,076,544.89 = 84,705,898.93 : x
  2. Step 2: Convert to fraction form
    150,788,990.77/208,076,544.89 = 84,705,898.93/x
  3. Step 3: Cross multiply
    150,788,990.77x = 208,076,544.89 × 84,705,898.93
  4. Step 4: Simplify right side
    150,788,990.77x = 17,625,310,780,327,330
  5. Step 5: Solve for x
    x = 17,625,310,780,327,330/150,788,990.77
  6. Step 6: Final answer
    x = 116,887,252.12

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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.