Home / 76,521,760.89-114,782,724.47-19,014,032.26

Finding the Fourth Proportional to 76,521,760.89, 114,782,724.47 and 19,014,032.26

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Solution

The fourth proportional to 76,521,760.89, 114,782,724.47 and 19,014,032.26 is: 28,521,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,521,760.89 : 114,782,724.47 = 19,014,032.26 : x
  2. Step 2: Convert to fraction form
    76,521,760.89/114,782,724.47 = 19,014,032.26/x
  3. Step 3: Cross multiply
    76,521,760.89x = 114,782,724.47 × 19,014,032.26
  4. Step 4: Simplify right side
    76,521,760.89x = 2,182,482,425,963,271.50
  5. Step 5: Solve for x
    x = 2,182,482,425,963,271.50/76,521,760.89
  6. Step 6: Final answer
    x = 28,521,069.05

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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.