Home / 57,970,881.91-79,999,345.47-31,865,122.18

Finding the Fourth Proportional to 57,970,881.91, 79,999,345.47 and 31,865,122.18

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Solution

The fourth proportional to 57,970,881.91, 79,999,345.47 and 31,865,122.18 is: 43,973,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,970,881.91 : 79,999,345.47 = 31,865,122.18 : x
  2. Step 2: Convert to fraction form
    57,970,881.91/79,999,345.47 = 31,865,122.18/x
  3. Step 3: Cross multiply
    57,970,881.91x = 79,999,345.47 × 31,865,122.18
  4. Step 4: Simplify right side
    57,970,881.91x = 2,549,188,917,721,579.50
  5. Step 5: Solve for x
    x = 2,549,188,917,721,579.50/57,970,881.91
  6. Step 6: Final answer
    x = 43,973,609.40

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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.