Home / 42,687,895.86-58,909,228.16-23,108,779.04

Finding the Fourth Proportional to 42,687,895.86, 58,909,228.16 and 23,108,779.04

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Solution

The fourth proportional to 42,687,895.86, 58,909,228.16 and 23,108,779.04 is: 31,890,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,687,895.86 : 58,909,228.16 = 23,108,779.04 : x
  2. Step 2: Convert to fraction form
    42,687,895.86/58,909,228.16 = 23,108,779.04/x
  3. Step 3: Cross multiply
    42,687,895.86x = 58,909,228.16 × 23,108,779.04
  4. Step 4: Simplify right side
    42,687,895.86x = 1,361,320,336,556,295.75
  5. Step 5: Solve for x
    x = 1,361,320,336,556,295.75/42,687,895.86
  6. Step 6: Final answer
    x = 31,890,078.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.