Home / 57,900,920.70-86,854,174.34-19,038,512.31

Finding the Fourth Proportional to 57,900,920.70, 86,854,174.34 and 19,038,512.31

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Solution

The fourth proportional to 57,900,920.70, 86,854,174.34 and 19,038,512.31 is: 28,558,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900,920.70 : 86,854,174.34 = 19,038,512.31 : x
  2. Step 2: Convert to fraction form
    57,900,920.70/86,854,174.34 = 19,038,512.31/x
  3. Step 3: Cross multiply
    57,900,920.70x = 86,854,174.34 × 19,038,512.31
  4. Step 4: Simplify right side
    57,900,920.70x = 1,653,574,267,521,727
  5. Step 5: Solve for x
    x = 1,653,574,267,521,727/57,900,920.70
  6. Step 6: Final answer
    x = 28,558,686.94

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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.