Home / 58,272,242.40-87,408,363.60-19,928,008.80

Finding the Fourth Proportional to 58,272,242.40, 87,408,363.60 and 19,928,008.80

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Solution

The fourth proportional to 58,272,242.40, 87,408,363.60 and 19,928,008.80 is: 29,892,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,272,242.40 : 87,408,363.60 = 19,928,008.80 : x
  2. Step 2: Convert to fraction form
    58,272,242.40/87,408,363.60 = 19,928,008.80/x
  3. Step 3: Cross multiply
    58,272,242.40x = 87,408,363.60 × 19,928,008.80
  4. Step 4: Simplify right side
    58,272,242.40x = 1,741,874,639,014,399.75
  5. Step 5: Solve for x
    x = 1,741,874,639,014,399.75/58,272,242.40
  6. Step 6: Final answer
    x = 29,892,013.20

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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.