Home / 72,872,419.26-100,498,808.52-60,462,867.72

Finding the Fourth Proportional to 72,872,419.26, 100,498,808.52 and 60,462,867.72

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Solution

The fourth proportional to 72,872,419.26, 100,498,808.52 and 60,462,867.72 is: 83,384,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,872,419.26 : 100,498,808.52 = 60,462,867.72 : x
  2. Step 2: Convert to fraction form
    72,872,419.26/100,498,808.52 = 60,462,867.72/x
  3. Step 3: Cross multiply
    72,872,419.26x = 100,498,808.52 × 60,462,867.72
  4. Step 4: Simplify right side
    72,872,419.26x = 6,076,446,165,562,369
  5. Step 5: Solve for x
    x = 6,076,446,165,562,369/72,872,419.26
  6. Step 6: Final answer
    x = 83,384,718.49

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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.