Home / 72,858,118.40-109,361,127.36-36,492,565.76

Finding the Fourth Proportional to 72,858,118.40, 109,361,127.36 and 36,492,565.76

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Solution

The fourth proportional to 72,858,118.40, 109,361,127.36 and 36,492,565.76 is: 54,775,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,858,118.40 : 109,361,127.36 = 36,492,565.76 : x
  2. Step 2: Convert to fraction form
    72,858,118.40/109,361,127.36 = 36,492,565.76/x
  3. Step 3: Cross multiply
    72,858,118.40x = 109,361,127.36 × 36,492,565.76
  4. Step 4: Simplify right side
    72,858,118.40x = 3,990,868,131,772,535
  5. Step 5: Solve for x
    x = 3,990,868,131,772,535/72,858,118.40
  6. Step 6: Final answer
    x = 54,775,887.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.