Home / 82,987,931.62-114,523,504.12-45,818,283.81

Finding the Fourth Proportional to 82,987,931.62, 114,523,504.12 and 45,818,283.81

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Solution

The fourth proportional to 82,987,931.62, 114,523,504.12 and 45,818,283.81 is: 63,229,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,987,931.62 : 114,523,504.12 = 45,818,283.81 : x
  2. Step 2: Convert to fraction form
    82,987,931.62/114,523,504.12 = 45,818,283.81/x
  3. Step 3: Cross multiply
    82,987,931.62x = 114,523,504.12 × 45,818,283.81
  4. Step 4: Simplify right side
    82,987,931.62x = 5,247,270,414,685,865
  5. Step 5: Solve for x
    x = 5,247,270,414,685,865/82,987,931.62
  6. Step 6: Final answer
    x = 63,229,319.16

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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.