Home / 106,388,432.45-159,569,440.56-28,671,416.42

Finding the Fourth Proportional to 106,388,432.45, 159,569,440.56 and 28,671,416.42

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Solution

The fourth proportional to 106,388,432.45, 159,569,440.56 and 28,671,416.42 is: 43,003,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,388,432.45 : 159,569,440.56 = 28,671,416.42 : x
  2. Step 2: Convert to fraction form
    106,388,432.45/159,569,440.56 = 28,671,416.42/x
  3. Step 3: Cross multiply
    106,388,432.45x = 159,569,440.56 × 28,671,416.42
  4. Step 4: Simplify right side
    106,388,432.45x = 4,575,081,877,404,351
  5. Step 5: Solve for x
    x = 4,575,081,877,404,351/106,388,432.45
  6. Step 6: Final answer
    x = 43,003,565.07

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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.