Home / 76,260,806.45-103,831,998.87-76,018,668.65

Finding the Fourth Proportional to 76,260,806.45, 103,831,998.87 and 76,018,668.65

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Solution

The fourth proportional to 76,260,806.45, 103,831,998.87 and 76,018,668.65 is: 103,502,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,260,806.45 : 103,831,998.87 = 76,018,668.65 : x
  2. Step 2: Convert to fraction form
    76,260,806.45/103,831,998.87 = 76,018,668.65/x
  3. Step 3: Cross multiply
    76,260,806.45x = 103,831,998.87 × 76,018,668.65
  4. Step 4: Simplify right side
    76,260,806.45x = 7,893,170,316,846,544
  5. Step 5: Solve for x
    x = 7,893,170,316,846,544/76,260,806.45
  6. Step 6: Final answer
    x = 103,502,319.01

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.