Home / 208,390,314.06-312,630,610.77-62,811,696.78

Finding the Fourth Proportional to 208,390,314.06, 312,630,610.77 and 62,811,696.78

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Solution

The fourth proportional to 208,390,314.06, 312,630,610.77 and 62,811,696.78 is: 94,231,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,390,314.06 : 312,630,610.77 = 62,811,696.78 : x
  2. Step 2: Convert to fraction form
    208,390,314.06/312,630,610.77 = 62,811,696.78/x
  3. Step 3: Cross multiply
    208,390,314.06x = 312,630,610.77 × 62,811,696.78
  4. Step 4: Simplify right side
    208,390,314.06x = 19,636,859,127,831,440
  5. Step 5: Solve for x
    x = 19,636,859,127,831,440/208,390,314.06
  6. Step 6: Final answer
    x = 94,231,150.89

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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.