Home / 197,329,985.52-272,308,434.72-109,224,153.60

Finding the Fourth Proportional to 197,329,985.52, 272,308,434.72 and 109,224,153.60

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Solution

The fourth proportional to 197,329,985.52, 272,308,434.72 and 109,224,153.60 is: 150,725,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,329,985.52 : 272,308,434.72 = 109,224,153.60 : x
  2. Step 2: Convert to fraction form
    197,329,985.52/272,308,434.72 = 109,224,153.60/x
  3. Step 3: Cross multiply
    197,329,985.52x = 272,308,434.72 × 109,224,153.60
  4. Step 4: Simplify right side
    197,329,985.52x = 29,742,658,300,432,856
  5. Step 5: Solve for x
    x = 29,742,658,300,432,856/197,329,985.52
  6. Step 6: Final answer
    x = 150,725,487.68

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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.