Home / 208,030,975.60-312,046,463.40-54,692,532.40

Finding the Fourth Proportional to 208,030,975.60, 312,046,463.40 and 54,692,532.40

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Solution

The fourth proportional to 208,030,975.60, 312,046,463.40 and 54,692,532.40 is: 82,038,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,030,975.60 : 312,046,463.40 = 54,692,532.40 : x
  2. Step 2: Convert to fraction form
    208,030,975.60/312,046,463.40 = 54,692,532.40/x
  3. Step 3: Cross multiply
    208,030,975.60x = 312,046,463.40 × 54,692,532.40
  4. Step 4: Simplify right side
    208,030,975.60x = 17,066,611,309,809,912
  5. Step 5: Solve for x
    x = 17,066,611,309,809,912/208,030,975.60
  6. Step 6: Final answer
    x = 82,038,798.60

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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.