Home / 81,031,094.66-111,837,041.06-48,009,935.23

Finding the Fourth Proportional to 81,031,094.66, 111,837,041.06 and 48,009,935.23

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Solution

The fourth proportional to 81,031,094.66, 111,837,041.06 and 48,009,935.23 is: 66,262,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,031,094.66 : 111,837,041.06 = 48,009,935.23 : x
  2. Step 2: Convert to fraction form
    81,031,094.66/111,837,041.06 = 48,009,935.23/x
  3. Step 3: Cross multiply
    81,031,094.66x = 111,837,041.06 × 48,009,935.23
  4. Step 4: Simplify right side
    81,031,094.66x = 5,369,289,097,085,809
  5. Step 5: Solve for x
    x = 5,369,289,097,085,809/81,031,094.66
  6. Step 6: Final answer
    x = 66,262,082.72

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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.