Home / 73,289,272.20-101,178,461.49-56,507,358.69

Finding the Fourth Proportional to 73,289,272.20, 101,178,461.49 and 56,507,358.69

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Solution

The fourth proportional to 73,289,272.20, 101,178,461.49 and 56,507,358.69 is: 78,010,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,289,272.20 : 101,178,461.49 = 56,507,358.69 : x
  2. Step 2: Convert to fraction form
    73,289,272.20/101,178,461.49 = 56,507,358.69/x
  3. Step 3: Cross multiply
    73,289,272.20x = 101,178,461.49 × 56,507,358.69
  4. Step 4: Simplify right side
    73,289,272.20x = 5,717,327,615,117,781
  5. Step 5: Solve for x
    x = 5,717,327,615,117,781/73,289,272.20
  6. Step 6: Final answer
    x = 78,010,429.68

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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.