Home / 73,289,291.72-101,178,488.43-56,507,378.18

Finding the Fourth Proportional to 73,289,291.72, 101,178,488.43 and 56,507,378.18

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Solution

The fourth proportional to 73,289,291.72, 101,178,488.43 and 56,507,378.18 is: 78,010,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,289,291.72 : 101,178,488.43 = 56,507,378.18 : x
  2. Step 2: Convert to fraction form
    73,289,291.72/101,178,488.43 = 56,507,378.18/x
  3. Step 3: Cross multiply
    73,289,291.72x = 101,178,488.43 × 56,507,378.18
  4. Step 4: Simplify right side
    73,289,291.72x = 5,717,331,108,888,872
  5. Step 5: Solve for x
    x = 5,717,331,108,888,872/73,289,291.72
  6. Step 6: Final answer
    x = 78,010,456.58

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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.