Home / 118,762,631.20-178,143,946.80-73,412,999.20

Finding the Fourth Proportional to 118,762,631.20, 178,143,946.80 and 73,412,999.20

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Solution

The fourth proportional to 118,762,631.20, 178,143,946.80 and 73,412,999.20 is: 110,119,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,762,631.20 : 178,143,946.80 = 73,412,999.20 : x
  2. Step 2: Convert to fraction form
    118,762,631.20/178,143,946.80 = 73,412,999.20/x
  3. Step 3: Cross multiply
    118,762,631.20x = 178,143,946.80 × 73,412,999.20
  4. Step 4: Simplify right side
    118,762,631.20x = 13,078,081,423,913,244
  5. Step 5: Solve for x
    x = 13,078,081,423,913,244/118,762,631.20
  6. Step 6: Final answer
    x = 110,119,498.80

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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.