Home / 99,043,994.52-136,684,981.17-54,990,999.27

Finding the Fourth Proportional to 99,043,994.52, 136,684,981.17 and 54,990,999.27

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Solution

The fourth proportional to 99,043,994.52, 136,684,981.17 and 54,990,999.27 is: 75,889,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,994.52 : 136,684,981.17 = 54,990,999.27 : x
  2. Step 2: Convert to fraction form
    99,043,994.52/136,684,981.17 = 54,990,999.27/x
  3. Step 3: Cross multiply
    99,043,994.52x = 136,684,981.17 × 54,990,999.27
  4. Step 4: Simplify right side
    99,043,994.52x = 7,516,443,699,739,433
  5. Step 5: Solve for x
    x = 7,516,443,699,739,433/99,043,994.52
  6. Step 6: Final answer
    x = 75,889,949.07

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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.