Home / 107,428,851.60-161,143,277.40-92,816,192.40

Finding the Fourth Proportional to 107,428,851.60, 161,143,277.40 and 92,816,192.40

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Solution

The fourth proportional to 107,428,851.60, 161,143,277.40 and 92,816,192.40 is: 139,224,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428,851.60 : 161,143,277.40 = 92,816,192.40 : x
  2. Step 2: Convert to fraction form
    107,428,851.60/161,143,277.40 = 92,816,192.40/x
  3. Step 3: Cross multiply
    107,428,851.60x = 161,143,277.40 × 92,816,192.40
  4. Step 4: Simplify right side
    107,428,851.60x = 14,956,705,439,124,974
  5. Step 5: Solve for x
    x = 14,956,705,439,124,974/107,428,851.60
  6. Step 6: Final answer
    x = 139,224,288.60

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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.