Home / 118,848,001.80-178,272,002.70-102,408,760.20

Finding the Fourth Proportional to 118,848,001.80, 178,272,002.70 and 102,408,760.20

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Solution

The fourth proportional to 118,848,001.80, 178,272,002.70 and 102,408,760.20 is: 153,613,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,848,001.80 : 178,272,002.70 = 102,408,760.20 : x
  2. Step 2: Convert to fraction form
    118,848,001.80/178,272,002.70 = 102,408,760.20/x
  3. Step 3: Cross multiply
    118,848,001.80x = 178,272,002.70 × 102,408,760.20
  4. Step 4: Simplify right side
    118,848,001.80x = 18,256,614,774,878,052
  5. Step 5: Solve for x
    x = 18,256,614,774,878,052/118,848,001.80
  6. Step 6: Final answer
    x = 153,613,140.30

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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.