Home / 129,674,008.86-194,199,300.06-74,173,632.60

Finding the Fourth Proportional to 129,674,008.86, 194,199,300.06 and 74,173,632.60

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Solution

The fourth proportional to 129,674,008.86, 194,199,300.06 and 74,173,632.60 is: 111,082,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,674,008.86 : 194,199,300.06 = 74,173,632.60 : x
  2. Step 2: Convert to fraction form
    129,674,008.86/194,199,300.06 = 74,173,632.60/x
  3. Step 3: Cross multiply
    129,674,008.86x = 194,199,300.06 × 74,173,632.60
  4. Step 4: Simplify right side
    129,674,008.86x = 14,404,467,533,827,596
  5. Step 5: Solve for x
    x = 14,404,467,533,827,596/129,674,008.86
  6. Step 6: Final answer
    x = 111,082,148.69

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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.