Home / 51,739,543.82-77,630,019.79-21,036,483.20

Finding the Fourth Proportional to 51,739,543.82, 77,630,019.79 and 21,036,483.20

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Solution

The fourth proportional to 51,739,543.82, 77,630,019.79 and 21,036,483.20 is: 31,563,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,739,543.82 : 77,630,019.79 = 21,036,483.20 : x
  2. Step 2: Convert to fraction form
    51,739,543.82/77,630,019.79 = 21,036,483.20/x
  3. Step 3: Cross multiply
    51,739,543.82x = 77,630,019.79 × 21,036,483.20
  4. Step 4: Simplify right side
    51,739,543.82x = 1,633,062,606,687,261
  5. Step 5: Solve for x
    x = 1,633,062,606,687,261/51,739,543.82
  6. Step 6: Final answer
    x = 31,563,142.73

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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.