Home / 72,628,298.19-100,170,352.17-46,525,243.05

Finding the Fourth Proportional to 72,628,298.19, 100,170,352.17 and 46,525,243.05

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Solution

The fourth proportional to 72,628,298.19, 100,170,352.17 and 46,525,243.05 is: 64,168,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,628,298.19 : 100,170,352.17 = 46,525,243.05 : x
  2. Step 2: Convert to fraction form
    72,628,298.19/100,170,352.17 = 46,525,243.05/x
  3. Step 3: Cross multiply
    72,628,298.19x = 100,170,352.17 × 46,525,243.05
  4. Step 4: Simplify right side
    72,628,298.19x = 4,660,449,981,113,345
  5. Step 5: Solve for x
    x = 4,660,449,981,113,345/72,628,298.19
  6. Step 6: Final answer
    x = 64,168,514.16

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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.