Home / 129,244,140.00-178,332,520.06-77,038,033.36

Finding the Fourth Proportional to 129,244,140.00, 178,332,520.06 and 77,038,033.36

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Solution

The fourth proportional to 129,244,140.00, 178,332,520.06 and 77,038,033.36 is: 106,297,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,244,140.00 : 178,332,520.06 = 77,038,033.36 : x
  2. Step 2: Convert to fraction form
    129,244,140.00/178,332,520.06 = 77,038,033.36/x
  3. Step 3: Cross multiply
    129,244,140.00x = 178,332,520.06 × 77,038,033.36
  4. Step 4: Simplify right side
    129,244,140.00x = 13,738,386,630,070,456
  5. Step 5: Solve for x
    x = 13,738,386,630,070,456/129,244,140.00
  6. Step 6: Final answer
    x = 106,297,946.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.