Home / 58,120,214.40-87,180,321.60-19,782,979.20

Finding the Fourth Proportional to 58,120,214.40, 87,180,321.60 and 19,782,979.20

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Solution

The fourth proportional to 58,120,214.40, 87,180,321.60 and 19,782,979.20 is: 29,674,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,120,214.40 : 87,180,321.60 = 19,782,979.20 : x
  2. Step 2: Convert to fraction form
    58,120,214.40/87,180,321.60 = 19,782,979.20/x
  3. Step 3: Cross multiply
    58,120,214.40x = 87,180,321.60 × 19,782,979.20
  4. Step 4: Simplify right side
    58,120,214.40x = 1,724,686,488,862,110.50
  5. Step 5: Solve for x
    x = 1,724,686,488,862,110.50/58,120,214.40
  6. Step 6: Final answer
    x = 29,674,468.80

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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.