Home / 101,502,718.21-140,070,000.37-55,091,975.68

Finding the Fourth Proportional to 101,502,718.21, 140,070,000.37 and 55,091,975.68

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Solution

The fourth proportional to 101,502,718.21, 140,070,000.37 and 55,091,975.68 is: 76,024,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,502,718.21 : 140,070,000.37 = 55,091,975.68 : x
  2. Step 2: Convert to fraction form
    101,502,718.21/140,070,000.37 = 55,091,975.68/x
  3. Step 3: Cross multiply
    101,502,718.21x = 140,070,000.37 × 55,091,975.68
  4. Step 4: Simplify right side
    101,502,718.21x = 7,716,733,054,022,011
  5. Step 5: Solve for x
    x = 7,716,733,054,022,011/101,502,718.21
  6. Step 6: Final answer
    x = 76,024,890.66

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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.