Home / 58,268,879.40-87,403,319.10-39,108,815.40

Finding the Fourth Proportional to 58,268,879.40, 87,403,319.10 and 39,108,815.40

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Solution

The fourth proportional to 58,268,879.40, 87,403,319.10 and 39,108,815.40 is: 58,663,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,268,879.40 : 87,403,319.10 = 39,108,815.40 : x
  2. Step 2: Convert to fraction form
    58,268,879.40/87,403,319.10 = 39,108,815.40/x
  3. Step 3: Cross multiply
    58,268,879.40x = 87,403,319.10 × 39,108,815.40
  4. Step 4: Simplify right side
    58,268,879.40x = 3,418,240,272,029,194
  5. Step 5: Solve for x
    x = 3,418,240,272,029,194/58,268,879.40
  6. Step 6: Final answer
    x = 58,663,223.10

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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.