Home / 72,468,742.40-100,009,616.64-41,534,881.28

Finding the Fourth Proportional to 72,468,742.40, 100,009,616.64 and 41,534,881.28

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Solution

The fourth proportional to 72,468,742.40, 100,009,616.64 and 41,534,881.28 is: 57,319,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,468,742.40 : 100,009,616.64 = 41,534,881.28 : x
  2. Step 2: Convert to fraction form
    72,468,742.40/100,009,616.64 = 41,534,881.28/x
  3. Step 3: Cross multiply
    72,468,742.40x = 100,009,616.64 × 41,534,881.28
  4. Step 4: Simplify right side
    72,468,742.40x = 4,153,887,554,000,712.50
  5. Step 5: Solve for x
    x = 4,153,887,554,000,712.50/72,468,742.40
  6. Step 6: Final answer
    x = 57,319,713.53

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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.