Home / 58,516,007.40-87,779,784.78-20,172,473.64

Finding the Fourth Proportional to 58,516,007.40, 87,779,784.78 and 20,172,473.64

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Solution

The fourth proportional to 58,516,007.40, 87,779,784.78 and 20,172,473.64 is: 30,260,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,516,007.40 : 87,779,784.78 = 20,172,473.64 : x
  2. Step 2: Convert to fraction form
    58,516,007.40/87,779,784.78 = 20,172,473.64/x
  3. Step 3: Cross multiply
    58,516,007.40x = 87,779,784.78 × 20,172,473.64
  4. Step 4: Simplify right side
    58,516,007.40x = 1,770,735,394,599,423.25
  5. Step 5: Solve for x
    x = 1,770,735,394,599,423.25/58,516,007.40
  6. Step 6: Final answer
    x = 30,260,700.85

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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.