Home / 251,818,328.85-377,573,630.61-120,700,725.54

Finding the Fourth Proportional to 251,818,328.85, 377,573,630.61 and 120,700,725.54

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Solution

The fourth proportional to 251,818,328.85, 377,573,630.61 and 120,700,725.54 is: 180,977,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,818,328.85 : 377,573,630.61 = 120,700,725.54 : x
  2. Step 2: Convert to fraction form
    251,818,328.85/377,573,630.61 = 120,700,725.54/x
  3. Step 3: Cross multiply
    251,818,328.85x = 377,573,630.61 × 120,700,725.54
  4. Step 4: Simplify right side
    251,818,328.85x = 45,573,411,159,398,960
  5. Step 5: Solve for x
    x = 45,573,411,159,398,960/251,818,328.85
  6. Step 6: Final answer
    x = 180,977,339.37

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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.