Home / 77,773,265.28-107,333,380.80-42,968,995.20

Finding the Fourth Proportional to 77,773,265.28, 107,333,380.80 and 42,968,995.20

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Solution

The fourth proportional to 77,773,265.28, 107,333,380.80 and 42,968,995.20 is: 59,300,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,773,265.28 : 107,333,380.80 = 42,968,995.20 : x
  2. Step 2: Convert to fraction form
    77,773,265.28/107,333,380.80 = 42,968,995.20/x
  3. Step 3: Cross multiply
    77,773,265.28x = 107,333,380.80 × 42,968,995.20
  4. Step 4: Simplify right side
    77,773,265.28x = 4,612,007,524,394,972
  5. Step 5: Solve for x
    x = 4,612,007,524,394,972/77,773,265.28
  6. Step 6: Final answer
    x = 59,300,680.10

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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.