Home / 140,290,076.17-193,607,052.88-77,565,013.48

Finding the Fourth Proportional to 140,290,076.17, 193,607,052.88 and 77,565,013.48

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Solution

The fourth proportional to 140,290,076.17, 193,607,052.88 and 77,565,013.48 is: 107,043,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,290,076.17 : 193,607,052.88 = 77,565,013.48 : x
  2. Step 2: Convert to fraction form
    140,290,076.17/193,607,052.88 = 77,565,013.48/x
  3. Step 3: Cross multiply
    140,290,076.17x = 193,607,052.88 × 77,565,013.48
  4. Step 4: Simplify right side
    140,290,076.17x = 15,017,133,666,460,274
  5. Step 5: Solve for x
    x = 15,017,133,666,460,274/140,290,076.17
  6. Step 6: Final answer
    x = 107,043,449.38

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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.