Home / 77,946,320.40-109,304,007.60-77,946,320.40

Finding the Fourth Proportional to 77,946,320.40, 109,304,007.60 and 77,946,320.40

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Solution

The fourth proportional to 77,946,320.40, 109,304,007.60 and 77,946,320.40 is: 109,304,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,946,320.40 : 109,304,007.60 = 77,946,320.40 : x
  2. Step 2: Convert to fraction form
    77,946,320.40/109,304,007.60 = 77,946,320.40/x
  3. Step 3: Cross multiply
    77,946,320.40x = 109,304,007.60 × 77,946,320.40
  4. Step 4: Simplify right side
    77,946,320.40x = 8,519,845,197,393,635
  5. Step 5: Solve for x
    x = 8,519,845,197,393,635/77,946,320.40
  6. Step 6: Final answer
    x = 109,304,007.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.