Home / 118,623,999.40-177,935,999.10-70,848,255.40

Finding the Fourth Proportional to 118,623,999.40, 177,935,999.10 and 70,848,255.40

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Solution

The fourth proportional to 118,623,999.40, 177,935,999.10 and 70,848,255.40 is: 106,272,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,623,999.40 : 177,935,999.10 = 70,848,255.40 : x
  2. Step 2: Convert to fraction form
    118,623,999.40/177,935,999.10 = 70,848,255.40/x
  3. Step 3: Cross multiply
    118,623,999.40x = 177,935,999.10 × 70,848,255.40
  4. Step 4: Simplify right side
    118,623,999.40x = 12,606,455,109,090,970
  5. Step 5: Solve for x
    x = 12,606,455,109,090,970/118,623,999.40
  6. Step 6: Final answer
    x = 106,272,383.10

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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.