Home / 208,390,314.48-312,630,611.31-62,811,697.20

Finding the Fourth Proportional to 208,390,314.48, 312,630,611.31 and 62,811,697.20

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Solution

The fourth proportional to 208,390,314.48, 312,630,611.31 and 62,811,697.20 is: 94,231,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,390,314.48 : 312,630,611.31 = 62,811,697.20 : x
  2. Step 2: Convert to fraction form
    208,390,314.48/312,630,611.31 = 62,811,697.20/x
  3. Step 3: Cross multiply
    208,390,314.48x = 312,630,611.31 × 62,811,697.20
  4. Step 4: Simplify right side
    208,390,314.48x = 19,636,859,293,054,616
  5. Step 5: Solve for x
    x = 19,636,859,293,054,616/208,390,314.48
  6. Step 6: Final answer
    x = 94,231,151.49

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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.