Home / 130,225,786.89-179,704,986.27-77,304,756.65

Finding the Fourth Proportional to 130,225,786.89, 179,704,986.27 and 77,304,756.65

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Solution

The fourth proportional to 130,225,786.89, 179,704,986.27 and 77,304,756.65 is: 106,676,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,225,786.89 : 179,704,986.27 = 77,304,756.65 : x
  2. Step 2: Convert to fraction form
    130,225,786.89/179,704,986.27 = 77,304,756.65/x
  3. Step 3: Cross multiply
    130,225,786.89x = 179,704,986.27 × 77,304,756.65
  4. Step 4: Simplify right side
    130,225,786.89x = 13,892,050,231,495,416
  5. Step 5: Solve for x
    x = 13,892,050,231,495,416/130,225,786.89
  6. Step 6: Final answer
    x = 106,676,646.49

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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.