Home / 107,889,969.60-161,834,954.40-31,215,499.20

Finding the Fourth Proportional to 107,889,969.60, 161,834,954.40 and 31,215,499.20

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Solution

The fourth proportional to 107,889,969.60, 161,834,954.40 and 31,215,499.20 is: 46,823,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,889,969.60 : 161,834,954.40 = 31,215,499.20 : x
  2. Step 2: Convert to fraction form
    107,889,969.60/161,834,954.40 = 31,215,499.20/x
  3. Step 3: Cross multiply
    107,889,969.60x = 161,834,954.40 × 31,215,499.20
  4. Step 4: Simplify right side
    107,889,969.60x = 5,051,758,889,605,237
  5. Step 5: Solve for x
    x = 5,051,758,889,605,237/107,889,969.60
  6. Step 6: Final answer
    x = 46,823,248.80

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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.