Home / 82,707,473.70-124,087,782.60-55,444,550.40

Finding the Fourth Proportional to 82,707,473.70, 124,087,782.60 and 55,444,550.40

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Solution

The fourth proportional to 82,707,473.70, 124,087,782.60 and 55,444,550.40 is: 83,184,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,707,473.70 : 124,087,782.60 = 55,444,550.40 : x
  2. Step 2: Convert to fraction form
    82,707,473.70/124,087,782.60 = 55,444,550.40/x
  3. Step 3: Cross multiply
    82,707,473.70x = 124,087,782.60 × 55,444,550.40
  4. Step 4: Simplify right side
    82,707,473.70x = 6,879,991,316,389,943
  5. Step 5: Solve for x
    x = 6,879,991,316,389,943/82,707,473.70
  6. Step 6: Final answer
    x = 83,184,638.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.