Home / 121,196,475.30-181,818,332.55-52,109,145.30

Finding the Fourth Proportional to 121,196,475.30, 181,818,332.55 and 52,109,145.30

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Solution

The fourth proportional to 121,196,475.30, 181,818,332.55 and 52,109,145.30 is: 78,173,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,196,475.30 : 181,818,332.55 = 52,109,145.30 : x
  2. Step 2: Convert to fraction form
    121,196,475.30/181,818,332.55 = 52,109,145.30/x
  3. Step 3: Cross multiply
    121,196,475.30x = 181,818,332.55 × 52,109,145.30
  4. Step 4: Simplify right side
    121,196,475.30x = 9,474,397,909,051,670
  5. Step 5: Solve for x
    x = 9,474,397,909,051,670/121,196,475.30
  6. Step 6: Final answer
    x = 78,173,873.34

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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.