Home / 131,143,345.34-196,701,537.87-43,695,417.69

Finding the Fourth Proportional to 131,143,345.34, 196,701,537.87 and 43,695,417.69

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Solution

The fourth proportional to 131,143,345.34, 196,701,537.87 and 43,695,417.69 is: 65,538,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,143,345.34 : 196,701,537.87 = 43,695,417.69 : x
  2. Step 2: Convert to fraction form
    131,143,345.34/196,701,537.87 = 43,695,417.69/x
  3. Step 3: Cross multiply
    131,143,345.34x = 196,701,537.87 × 43,695,417.69
  4. Step 4: Simplify right side
    131,143,345.34x = 8,594,955,857,495,003
  5. Step 5: Solve for x
    x = 8,594,955,857,495,003/131,143,345.34
  6. Step 6: Final answer
    x = 65,538,635.11

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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.