Home / 208,030,405.04-312,066,253.40-76,907,051

Finding the Fourth Proportional to 208,030,405.04, 312,066,253.40 and 76,907,051

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Solution

The fourth proportional to 208,030,405.04, 312,066,253.40 and 76,907,051 is: 115,368,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,030,405.04 : 312,066,253.40 = 76,907,051 : x
  2. Step 2: Convert to fraction form
    208,030,405.04/312,066,253.40 = 76,907,051/x
  3. Step 3: Cross multiply
    208,030,405.04x = 312,066,253.40 × 76,907,051
  4. Step 4: Simplify right side
    208,030,405.04x = 24,000,095,265,612,720
  5. Step 5: Solve for x
    x = 24,000,095,265,612,720/208,030,405.04
  6. Step 6: Final answer
    x = 115,368,209.09

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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.