Home / 172,467,981.72-258,742,750.14-55,883,145.15

Finding the Fourth Proportional to 172,467,981.72, 258,742,750.14 and 55,883,145.15

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Solution

The fourth proportional to 172,467,981.72, 258,742,750.14 and 55,883,145.15 is: 83,837,930.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,467,981.72 : 258,742,750.14 = 55,883,145.15 : x
  2. Step 2: Convert to fraction form
    172,467,981.72/258,742,750.14 = 55,883,145.15/x
  3. Step 3: Cross multiply
    172,467,981.72x = 258,742,750.14 × 55,883,145.15
  4. Step 4: Simplify right side
    172,467,981.72x = 14,459,358,662,583,802
  5. Step 5: Solve for x
    x = 14,459,358,662,583,802/172,467,981.72
  6. Step 6: Final answer
    x = 83,837,930.49

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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.