Home / 72,420,790.28-99,937,649.16-41,060,949.08

Finding the Fourth Proportional to 72,420,790.28, 99,937,649.16 and 41,060,949.08

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Solution

The fourth proportional to 72,420,790.28, 99,937,649.16 and 41,060,949.08 is: 56,662,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420,790.28 : 99,937,649.16 = 41,060,949.08 : x
  2. Step 2: Convert to fraction form
    72,420,790.28/99,937,649.16 = 41,060,949.08/x
  3. Step 3: Cross multiply
    72,420,790.28x = 99,937,649.16 × 41,060,949.08
  4. Step 4: Simplify right side
    72,420,790.28x = 4,103,534,723,333,664.50
  5. Step 5: Solve for x
    x = 4,103,534,723,333,664.50/72,420,790.28
  6. Step 6: Final answer
    x = 56,662,385.31

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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.