Home / 185,786,716.58-278,495,996.94-87,242,018.50

Finding the Fourth Proportional to 185,786,716.58, 278,495,996.94 and 87,242,018.50

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Solution

The fourth proportional to 185,786,716.58, 278,495,996.94 and 87,242,018.50 is: 130,776,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,786,716.58 : 278,495,996.94 = 87,242,018.50 : x
  2. Step 2: Convert to fraction form
    185,786,716.58/278,495,996.94 = 87,242,018.50/x
  3. Step 3: Cross multiply
    185,786,716.58x = 278,495,996.94 × 87,242,018.50
  4. Step 4: Simplify right side
    185,786,716.58x = 24,296,552,915,822,944
  5. Step 5: Solve for x
    x = 24,296,552,915,822,944/185,786,716.58
  6. Step 6: Final answer
    x = 130,776,588.14

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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.