Home / 55,839,720.60-83,827,815.30-31,595,513.40

Finding the Fourth Proportional to 55,839,720.60, 83,827,815.30 and 31,595,513.40

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Solution

The fourth proportional to 55,839,720.60, 83,827,815.30 and 31,595,513.40 is: 47,431,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,839,720.60 : 83,827,815.30 = 31,595,513.40 : x
  2. Step 2: Convert to fraction form
    55,839,720.60/83,827,815.30 = 31,595,513.40/x
  3. Step 3: Cross multiply
    55,839,720.60x = 83,827,815.30 × 31,595,513.40
  4. Step 4: Simplify right side
    55,839,720.60x = 2,648,582,861,603,875
  5. Step 5: Solve for x
    x = 2,648,582,861,603,875/55,839,720.60
  6. Step 6: Final answer
    x = 47,431,878.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.