Home / 102,580,143.81-153,898,982.06-41,212,395.69

Finding the Fourth Proportional to 102,580,143.81, 153,898,982.06 and 41,212,395.69

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Solution

The fourth proportional to 102,580,143.81, 153,898,982.06 and 41,212,395.69 is: 61,830,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,580,143.81 : 153,898,982.06 = 41,212,395.69 : x
  2. Step 2: Convert to fraction form
    102,580,143.81/153,898,982.06 = 41,212,395.69/x
  3. Step 3: Cross multiply
    102,580,143.81x = 153,898,982.06 × 41,212,395.69
  4. Step 4: Simplify right side
    102,580,143.81x = 6,342,545,744,738,869
  5. Step 5: Solve for x
    x = 6,342,545,744,738,869/102,580,143.81
  6. Step 6: Final answer
    x = 61,830,150.64

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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.