Home / 152,470,546.30-210,427,290.03-90,590,884.84

Finding the Fourth Proportional to 152,470,546.30, 210,427,290.03 and 90,590,884.84

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Solution

The fourth proportional to 152,470,546.30, 210,427,290.03 and 90,590,884.84 is: 125,026,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,470,546.30 : 210,427,290.03 = 90,590,884.84 : x
  2. Step 2: Convert to fraction form
    152,470,546.30/210,427,290.03 = 90,590,884.84/x
  3. Step 3: Cross multiply
    152,470,546.30x = 210,427,290.03 × 90,590,884.84
  4. Step 4: Simplify right side
    152,470,546.30x = 19,062,794,398,301,012
  5. Step 5: Solve for x
    x = 19,062,794,398,301,012/152,470,546.30
  6. Step 6: Final answer
    x = 125,026,077.89

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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.