Home / 99,355,942.15-137,111,206.49-55,301,992.63

Finding the Fourth Proportional to 99,355,942.15, 137,111,206.49 and 55,301,992.63

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Solution

The fourth proportional to 99,355,942.15, 137,111,206.49 and 55,301,992.63 is: 76,316,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,355,942.15 : 137,111,206.49 = 55,301,992.63 : x
  2. Step 2: Convert to fraction form
    99,355,942.15/137,111,206.49 = 55,301,992.63/x
  3. Step 3: Cross multiply
    99,355,942.15x = 137,111,206.49 × 55,301,992.63
  4. Step 4: Simplify right side
    99,355,942.15x = 7,582,522,930,523,879
  5. Step 5: Solve for x
    x = 7,582,522,930,523,879/99,355,942.15
  6. Step 6: Final answer
    x = 76,316,753.35

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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.