Home / 54,860,071.05-75,706,031.31-30,080,461.65

Finding the Fourth Proportional to 54,860,071.05, 75,706,031.31 and 30,080,461.65

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Solution

The fourth proportional to 54,860,071.05, 75,706,031.31 and 30,080,461.65 is: 41,510,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,860,071.05 : 75,706,031.31 = 30,080,461.65 : x
  2. Step 2: Convert to fraction form
    54,860,071.05/75,706,031.31 = 30,080,461.65/x
  3. Step 3: Cross multiply
    54,860,071.05x = 75,706,031.31 × 30,080,461.65
  4. Step 4: Simplify right side
    54,860,071.05x = 2,277,272,371,494,154
  5. Step 5: Solve for x
    x = 2,277,272,371,494,154/54,860,071.05
  6. Step 6: Final answer
    x = 41,510,561.83

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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.