Home / 75,330,703.88-112,997,105.58-21,478,015.88

Finding the Fourth Proportional to 75,330,703.88, 112,997,105.58 and 21,478,015.88

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Solution

The fourth proportional to 75,330,703.88, 112,997,105.58 and 21,478,015.88 is: 32,217,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,330,703.88 : 112,997,105.58 = 21,478,015.88 : x
  2. Step 2: Convert to fraction form
    75,330,703.88/112,997,105.58 = 21,478,015.88/x
  3. Step 3: Cross multiply
    75,330,703.88x = 112,997,105.58 × 21,478,015.88
  4. Step 4: Simplify right side
    75,330,703.88x = 2,426,953,628,041,276.50
  5. Step 5: Solve for x
    x = 2,426,953,628,041,276.50/75,330,703.88
  6. Step 6: Final answer
    x = 32,217,323.12

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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.