Home / 103,492,106.40-155,238,620.40-26,809,687.20

Finding the Fourth Proportional to 103,492,106.40, 155,238,620.40 and 26,809,687.20

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Solution

The fourth proportional to 103,492,106.40, 155,238,620.40 and 26,809,687.20 is: 40,214,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,492,106.40 : 155,238,620.40 = 26,809,687.20 : x
  2. Step 2: Convert to fraction form
    103,492,106.40/155,238,620.40 = 26,809,687.20/x
  3. Step 3: Cross multiply
    103,492,106.40x = 155,238,620.40 × 26,809,687.20
  4. Step 4: Simplify right side
    103,492,106.40x = 4,161,898,854,283,539
  5. Step 5: Solve for x
    x = 4,161,898,854,283,539/103,492,106.40
  6. Step 6: Final answer
    x = 40,214,650.17

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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.