Home / 102,500,521.92-141,450,707.04-56,090,763.60

Finding the Fourth Proportional to 102,500,521.92, 141,450,707.04 and 56,090,763.60

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Solution

The fourth proportional to 102,500,521.92, 141,450,707.04 and 56,090,763.60 is: 77,405,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,500,521.92 : 141,450,707.04 = 56,090,763.60 : x
  2. Step 2: Convert to fraction form
    102,500,521.92/141,450,707.04 = 56,090,763.60/x
  3. Step 3: Cross multiply
    102,500,521.92x = 141,450,707.04 × 56,090,763.60
  4. Step 4: Simplify right side
    102,500,521.92x = 7,934,078,169,633,495
  5. Step 5: Solve for x
    x = 7,934,078,169,633,495/102,500,521.92
  6. Step 6: Final answer
    x = 77,405,246.54

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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.