Home / 162,234,921.36-223,884,190.40-88,894,488.72

Finding the Fourth Proportional to 162,234,921.36, 223,884,190.40 and 88,894,488.72

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Solution

The fourth proportional to 162,234,921.36, 223,884,190.40 and 88,894,488.72 is: 122,674,393.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,234,921.36 : 223,884,190.40 = 88,894,488.72 : x
  2. Step 2: Convert to fraction form
    162,234,921.36/223,884,190.40 = 88,894,488.72/x
  3. Step 3: Cross multiply
    162,234,921.36x = 223,884,190.40 × 88,894,488.72
  4. Step 4: Simplify right side
    162,234,921.36x = 19,902,070,638,099,132
  5. Step 5: Solve for x
    x = 19,902,070,638,099,132/162,234,921.36
  6. Step 6: Final answer
    x = 122,674,393.84

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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.