Home / 78,732,719.51-108,651,220.58-43,925,415.31

Finding the Fourth Proportional to 78,732,719.51, 108,651,220.58 and 43,925,415.31

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Solution

The fourth proportional to 78,732,719.51, 108,651,220.58 and 43,925,415.31 is: 60,617,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,719.51 : 108,651,220.58 = 43,925,415.31 : x
  2. Step 2: Convert to fraction form
    78,732,719.51/108,651,220.58 = 43,925,415.31/x
  3. Step 3: Cross multiply
    78,732,719.51x = 108,651,220.58 × 43,925,415.31
  4. Step 4: Simplify right side
    78,732,719.51x = 4,772,549,987,152,036
  5. Step 5: Solve for x
    x = 4,772,549,987,152,036/78,732,719.51
  6. Step 6: Final answer
    x = 60,617,110.86

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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.