Home / 316,718,129.12-474,960,666-109,403,780.96

Finding the Fourth Proportional to 316,718,129.12, 474,960,666 and 109,403,780.96

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Solution

The fourth proportional to 316,718,129.12, 474,960,666 and 109,403,780.96 is: 164,065,419.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,718,129.12 : 474,960,666 = 109,403,780.96 : x
  2. Step 2: Convert to fraction form
    316,718,129.12/474,960,666 = 109,403,780.96/x
  3. Step 3: Cross multiply
    316,718,129.12x = 474,960,666 × 109,403,780.96
  4. Step 4: Simplify right side
    316,718,129.12x = 51,962,492,667,679,720
  5. Step 5: Solve for x
    x = 51,962,492,667,679,720/316,718,129.12
  6. Step 6: Final answer
    x = 164,065,419.34

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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.