Home / 72,893,957.63-100,595,761.07-40,301,009.15

Finding the Fourth Proportional to 72,893,957.63, 100,595,761.07 and 40,301,009.15

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Solution

The fourth proportional to 72,893,957.63, 100,595,761.07 and 40,301,009.15 is: 55,616,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893,957.63 : 100,595,761.07 = 40,301,009.15 : x
  2. Step 2: Convert to fraction form
    72,893,957.63/100,595,761.07 = 40,301,009.15/x
  3. Step 3: Cross multiply
    72,893,957.63x = 100,595,761.07 × 40,301,009.15
  4. Step 4: Simplify right side
    72,893,957.63x = 4,054,110,686,628,800
  5. Step 5: Solve for x
    x = 4,054,110,686,628,800/72,893,957.63
  6. Step 6: Final answer
    x = 55,616,553.40

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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.