Home / 145,243,579.40-217,613,426.70-94,099,272.20

Finding the Fourth Proportional to 145,243,579.40, 217,613,426.70 and 94,099,272.20

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Solution

The fourth proportional to 145,243,579.40, 217,613,426.70 and 94,099,272.20 is: 140,985,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,243,579.40 : 217,613,426.70 = 94,099,272.20 : x
  2. Step 2: Convert to fraction form
    145,243,579.40/217,613,426.70 = 94,099,272.20/x
  3. Step 3: Cross multiply
    145,243,579.40x = 217,613,426.70 × 94,099,272.20
  4. Step 4: Simplify right side
    145,243,579.40x = 20,477,265,073,418,048
  5. Step 5: Solve for x
    x = 20,477,265,073,418,048/145,243,579.40
  6. Step 6: Final answer
    x = 140,985,681.83

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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.