Home / 107,812,306.80-161,739,455.40-31,137,836.40

Finding the Fourth Proportional to 107,812,306.80, 161,739,455.40 and 31,137,836.40

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Solution

The fourth proportional to 107,812,306.80, 161,739,455.40 and 31,137,836.40 is: 46,712,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,812,306.80 : 161,739,455.40 = 31,137,836.40 : x
  2. Step 2: Convert to fraction form
    107,812,306.80/161,739,455.40 = 31,137,836.40/x
  3. Step 3: Cross multiply
    107,812,306.80x = 161,739,455.40 × 31,137,836.40
  4. Step 4: Simplify right side
    107,812,306.80x = 5,036,216,701,670,297
  5. Step 5: Solve for x
    x = 5,036,216,701,670,297/107,812,306.80
  6. Step 6: Final answer
    x = 46,712,818.33

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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.