Home / 99,043,996.02-136,684,983.24-54,991,000.77

Finding the Fourth Proportional to 99,043,996.02, 136,684,983.24 and 54,991,000.77

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Solution

The fourth proportional to 99,043,996.02, 136,684,983.24 and 54,991,000.77 is: 75,889,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,996.02 : 136,684,983.24 = 54,991,000.77 : x
  2. Step 2: Convert to fraction form
    99,043,996.02/136,684,983.24 = 54,991,000.77/x
  3. Step 3: Cross multiply
    99,043,996.02x = 136,684,983.24 × 54,991,000.77
  4. Step 4: Simplify right side
    99,043,996.02x = 7,516,444,018,598,278
  5. Step 5: Solve for x
    x = 7,516,444,018,598,278/99,043,996.02
  6. Step 6: Final answer
    x = 75,889,951.14

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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.