Home / 219,157,649.52-302,353,411.20-125,077,023.84

Finding the Fourth Proportional to 219,157,649.52, 302,353,411.20 and 125,077,023.84

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Solution

The fourth proportional to 219,157,649.52, 302,353,411.20 and 125,077,023.84 is: 172,558,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,157,649.52 : 302,353,411.20 = 125,077,023.84 : x
  2. Step 2: Convert to fraction form
    219,157,649.52/302,353,411.20 = 125,077,023.84/x
  3. Step 3: Cross multiply
    219,157,649.52x = 302,353,411.20 × 125,077,023.84
  4. Step 4: Simplify right side
    219,157,649.52x = 37,817,464,820,767,720
  5. Step 5: Solve for x
    x = 37,817,464,820,767,720/219,157,649.52
  6. Step 6: Final answer
    x = 172,558,269.83

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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.