Home / 79,607,891.14-109,863,411.68-47,827,780.83

Finding the Fourth Proportional to 79,607,891.14, 109,863,411.68 and 47,827,780.83

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Solution

The fourth proportional to 79,607,891.14, 109,863,411.68 and 47,827,780.83 is: 66,005,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,607,891.14 : 109,863,411.68 = 47,827,780.83 : x
  2. Step 2: Convert to fraction form
    79,607,891.14/109,863,411.68 = 47,827,780.83/x
  3. Step 3: Cross multiply
    79,607,891.14x = 109,863,411.68 × 47,827,780.83
  4. Step 4: Simplify right side
    79,607,891.14x = 5,254,523,175,186,672
  5. Step 5: Solve for x
    x = 5,254,523,175,186,672/79,607,891.14
  6. Step 6: Final answer
    x = 66,005,054.27

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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.