Home / 70,021,068.68-96,629,208.50-38,659,178.34

Finding the Fourth Proportional to 70,021,068.68, 96,629,208.50 and 38,659,178.34

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Solution

The fourth proportional to 70,021,068.68, 96,629,208.50 and 38,659,178.34 is: 53,349,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021,068.68 : 96,629,208.50 = 38,659,178.34 : x
  2. Step 2: Convert to fraction form
    70,021,068.68/96,629,208.50 = 38,659,178.34/x
  3. Step 3: Cross multiply
    70,021,068.68x = 96,629,208.50 × 38,659,178.34
  4. Step 4: Simplify right side
    70,021,068.68x = 3,735,605,804,254,544
  5. Step 5: Solve for x
    x = 3,735,605,804,254,544/70,021,068.68
  6. Step 6: Final answer
    x = 53,349,739.94

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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.