Home / 101,502,719.02-140,070,001.49-55,091,976.49

Finding the Fourth Proportional to 101,502,719.02, 140,070,001.49 and 55,091,976.49

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Solution

The fourth proportional to 101,502,719.02, 140,070,001.49 and 55,091,976.49 is: 76,024,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,502,719.02 : 140,070,001.49 = 55,091,976.49 : x
  2. Step 2: Convert to fraction form
    101,502,719.02/140,070,001.49 = 55,091,976.49/x
  3. Step 3: Cross multiply
    101,502,719.02x = 140,070,001.49 × 55,091,976.49
  4. Step 4: Simplify right side
    101,502,719.02x = 7,716,733,229,041,346
  5. Step 5: Solve for x
    x = 7,716,733,229,041,346/101,502,719.02
  6. Step 6: Final answer
    x = 76,024,891.78

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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.