Home / 72,893,955.63-100,595,758.29-40,301,007.15

Finding the Fourth Proportional to 72,893,955.63, 100,595,758.29 and 40,301,007.15

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Solution

The fourth proportional to 72,893,955.63, 100,595,758.29 and 40,301,007.15 is: 55,616,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893,955.63 : 100,595,758.29 = 40,301,007.15 : x
  2. Step 2: Convert to fraction form
    72,893,955.63/100,595,758.29 = 40,301,007.15/x
  3. Step 3: Cross multiply
    72,893,955.63x = 100,595,758.29 × 40,301,007.15
  4. Step 4: Simplify right side
    72,893,955.63x = 4,054,110,373,400,478
  5. Step 5: Solve for x
    x = 4,054,110,373,400,478/72,893,955.63
  6. Step 6: Final answer
    x = 55,616,550.63

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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.