Home / 57,900,928.29-86,854,185.65-19,038,519.82

Finding the Fourth Proportional to 57,900,928.29, 86,854,185.65 and 19,038,519.82

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Solution

The fourth proportional to 57,900,928.29, 86,854,185.65 and 19,038,519.82 is: 28,558,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900,928.29 : 86,854,185.65 = 19,038,519.82 : x
  2. Step 2: Convert to fraction form
    57,900,928.29/86,854,185.65 = 19,038,519.82/x
  3. Step 3: Cross multiply
    57,900,928.29x = 86,854,185.65 × 19,038,519.82
  4. Step 4: Simplify right side
    57,900,928.29x = 1,653,575,134,996,556.75
  5. Step 5: Solve for x
    x = 1,653,575,134,996,556.75/57,900,928.29
  6. Step 6: Final answer
    x = 28,558,698.17

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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.