Home / 118,692,008.80-178,038,013.20-89,592,661.60

Finding the Fourth Proportional to 118,692,008.80, 178,038,013.20 and 89,592,661.60

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Solution

The fourth proportional to 118,692,008.80, 178,038,013.20 and 89,592,661.60 is: 134,388,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,692,008.80 : 178,038,013.20 = 89,592,661.60 : x
  2. Step 2: Convert to fraction form
    118,692,008.80/178,038,013.20 = 89,592,661.60/x
  3. Step 3: Cross multiply
    118,692,008.80x = 178,038,013.20 × 89,592,661.60
  4. Step 4: Simplify right side
    118,692,008.80x = 15,950,899,468,563,930
  5. Step 5: Solve for x
    x = 15,950,899,468,563,930/118,692,008.80
  6. Step 6: Final answer
    x = 134,388,992.40

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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.