Home / 97,669,338.95-134,778,738.03-57,978,566.24

Finding the Fourth Proportional to 97,669,338.95, 134,778,738.03 and 57,978,566.24

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Solution

The fourth proportional to 97,669,338.95, 134,778,738.03 and 57,978,566.24 is: 80,007,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,669,338.95 : 134,778,738.03 = 57,978,566.24 : x
  2. Step 2: Convert to fraction form
    97,669,338.95/134,778,738.03 = 57,978,566.24/x
  3. Step 3: Cross multiply
    97,669,338.95x = 134,778,738.03 × 57,978,566.24
  4. Step 4: Simplify right side
    97,669,338.95x = 7,814,277,990,615,962
  5. Step 5: Solve for x
    x = 7,814,277,990,615,962/97,669,338.95
  6. Step 6: Final answer
    x = 80,007,483.15

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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.