Home / 77,812,509.13-116,718,607.10-73,077,370.09

Finding the Fourth Proportional to 77,812,509.13, 116,718,607.10 and 73,077,370.09

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Solution

The fourth proportional to 77,812,509.13, 116,718,607.10 and 73,077,370.09 is: 109,615,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,812,509.13 : 116,718,607.10 = 73,077,370.09 : x
  2. Step 2: Convert to fraction form
    77,812,509.13/116,718,607.10 = 73,077,370.09/x
  3. Step 3: Cross multiply
    77,812,509.13x = 116,718,607.10 × 73,077,370.09
  4. Step 4: Simplify right side
    77,812,509.13x = 8,529,488,847,070,615
  5. Step 5: Solve for x
    x = 8,529,488,847,070,615/77,812,509.13
  6. Step 6: Final answer
    x = 109,615,908.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.