Home / 219,424,518.13-302,794,261.86-125,320,164.40

Finding the Fourth Proportional to 219,424,518.13, 302,794,261.86 and 125,320,164.40

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Solution

The fourth proportional to 219,424,518.13, 302,794,261.86 and 125,320,164.40 is: 172,935,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,424,518.13 : 302,794,261.86 = 125,320,164.40 : x
  2. Step 2: Convert to fraction form
    219,424,518.13/302,794,261.86 = 125,320,164.40/x
  3. Step 3: Cross multiply
    219,424,518.13x = 302,794,261.86 × 125,320,164.40
  4. Step 4: Simplify right side
    219,424,518.13x = 37,946,226,675,671,856
  5. Step 5: Solve for x
    x = 37,946,226,675,671,856/219,424,518.13
  6. Step 6: Final answer
    x = 172,935,217.08

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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.