Home / 219,443,365.08-302,820,207.48-125,339,031.72

Finding the Fourth Proportional to 219,443,365.08, 302,820,207.48 and 125,339,031.72

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Solution

The fourth proportional to 219,443,365.08, 302,820,207.48 and 125,339,031.72 is: 172,961,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,443,365.08 : 302,820,207.48 = 125,339,031.72 : x
  2. Step 2: Convert to fraction form
    219,443,365.08/302,820,207.48 = 125,339,031.72/x
  3. Step 3: Cross multiply
    219,443,365.08x = 302,820,207.48 × 125,339,031.72
  4. Step 4: Simplify right side
    219,443,365.08x = 37,955,191,590,792,704
  5. Step 5: Solve for x
    x = 37,955,191,590,792,704/219,443,365.08
  6. Step 6: Final answer
    x = 172,961,217.47

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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.