Home / 100,351,076.48-150,526,640.64-28,547,492.48

Finding the Fourth Proportional to 100,351,076.48, 150,526,640.64 and 28,547,492.48

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Solution

The fourth proportional to 100,351,076.48, 150,526,640.64 and 28,547,492.48 is: 42,821,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,351,076.48 : 150,526,640.64 = 28,547,492.48 : x
  2. Step 2: Convert to fraction form
    100,351,076.48/150,526,640.64 = 28,547,492.48/x
  3. Step 3: Cross multiply
    100,351,076.48x = 150,526,640.64 × 28,547,492.48
  4. Step 4: Simplify right side
    100,351,076.48x = 4,297,158,141,710,062
  5. Step 5: Solve for x
    x = 4,297,158,141,710,062/100,351,076.48
  6. Step 6: Final answer
    x = 42,821,246.09

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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.