Home / 76,032,004.80-114,048,007.20-61,699,281.60

Finding the Fourth Proportional to 76,032,004.80, 114,048,007.20 and 61,699,281.60

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Solution

The fourth proportional to 76,032,004.80, 114,048,007.20 and 61,699,281.60 is: 92,548,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,004.80 : 114,048,007.20 = 61,699,281.60 : x
  2. Step 2: Convert to fraction form
    76,032,004.80/114,048,007.20 = 61,699,281.60/x
  3. Step 3: Cross multiply
    76,032,004.80x = 114,048,007.20 × 61,699,281.60
  4. Step 4: Simplify right side
    76,032,004.80x = 7,036,680,112,151,628
  5. Step 5: Solve for x
    x = 7,036,680,112,151,628/76,032,004.80
  6. Step 6: Final answer
    x = 92,548,922.40

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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.