Home / 107,839,277.60-161,758,916.40-31,164,807.20

Finding the Fourth Proportional to 107,839,277.60, 161,758,916.40 and 31,164,807.20

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Solution

The fourth proportional to 107,839,277.60, 161,758,916.40 and 31,164,807.20 is: 46,747,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,277.60 : 161,758,916.40 = 31,164,807.20 : x
  2. Step 2: Convert to fraction form
    107,839,277.60/161,758,916.40 = 31,164,807.20/x
  3. Step 3: Cross multiply
    107,839,277.60x = 161,758,916.40 × 31,164,807.20
  4. Step 4: Simplify right side
    107,839,277.60x = 5,041,185,442,486,918
  5. Step 5: Solve for x
    x = 5,041,185,442,486,918/107,839,277.60
  6. Step 6: Final answer
    x = 46,747,210.80

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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.