Home / 129,031,476.20-193,348,148.70-111,911,834.60

Finding the Fourth Proportional to 129,031,476.20, 193,348,148.70 and 111,911,834.60

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Solution

The fourth proportional to 129,031,476.20, 193,348,148.70 and 111,911,834.60 is: 167,695,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,031,476.20 : 193,348,148.70 = 111,911,834.60 : x
  2. Step 2: Convert to fraction form
    129,031,476.20/193,348,148.70 = 111,911,834.60/x
  3. Step 3: Cross multiply
    129,031,476.20x = 193,348,148.70 × 111,911,834.60
  4. Step 4: Simplify right side
    129,031,476.20x = 21,637,946,037,530,604
  5. Step 5: Solve for x
    x = 21,637,946,037,530,604/129,031,476.20
  6. Step 6: Final answer
    x = 167,695,097.93

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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.