Home / 86,753,393.64-130,151,628.76-43,054,661.42

Finding the Fourth Proportional to 86,753,393.64, 130,151,628.76 and 43,054,661.42

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Solution

The fourth proportional to 86,753,393.64, 130,151,628.76 and 43,054,661.42 is: 64,592,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,753,393.64 : 130,151,628.76 = 43,054,661.42 : x
  2. Step 2: Convert to fraction form
    86,753,393.64/130,151,628.76 = 43,054,661.42/x
  3. Step 3: Cross multiply
    86,753,393.64x = 130,151,628.76 × 43,054,661.42
  4. Step 4: Simplify right side
    86,753,393.64x = 5,603,634,309,523,335
  5. Step 5: Solve for x
    x = 5,603,634,309,523,335/86,753,393.64
  6. Step 6: Final answer
    x = 64,592,681.33

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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.