Home / 140,461,848.09-193,835,922.28-77,738,068.44

Finding the Fourth Proportional to 140,461,848.09, 193,835,922.28 and 77,738,068.44

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Solution

The fourth proportional to 140,461,848.09, 193,835,922.28 and 77,738,068.44 is: 107,277,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,461,848.09 : 193,835,922.28 = 77,738,068.44 : x
  2. Step 2: Convert to fraction form
    140,461,848.09/193,835,922.28 = 77,738,068.44/x
  3. Step 3: Cross multiply
    140,461,848.09x = 193,835,922.28 × 77,738,068.44
  4. Step 4: Simplify right side
    140,461,848.09x = 15,068,430,192,138,816
  5. Step 5: Solve for x
    x = 15,068,430,192,138,816/140,461,848.09
  6. Step 6: Final answer
    x = 107,277,744.08

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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.