Home / 53,872,926.72-80,809,390.08-19,779,521.28

Finding the Fourth Proportional to 53,872,926.72, 80,809,390.08 and 19,779,521.28

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Solution

The fourth proportional to 53,872,926.72, 80,809,390.08 and 19,779,521.28 is: 29,669,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,872,926.72 : 80,809,390.08 = 19,779,521.28 : x
  2. Step 2: Convert to fraction form
    53,872,926.72/80,809,390.08 = 19,779,521.28/x
  3. Step 3: Cross multiply
    53,872,926.72x = 80,809,390.08 × 19,779,521.28
  4. Step 4: Simplify right side
    53,872,926.72x = 1,598,371,050,711,181
  5. Step 5: Solve for x
    x = 1,598,371,050,711,181/53,872,926.72
  6. Step 6: Final answer
    x = 29,669,281.92

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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.