Home / 432,158,747.25-648,341,247.48-141,026,411.68

Finding the Fourth Proportional to 432,158,747.25, 648,341,247.48 and 141,026,411.68

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Solution

The fourth proportional to 432,158,747.25, 648,341,247.48 and 141,026,411.68 is: 211,573,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,158,747.25 : 648,341,247.48 = 141,026,411.68 : x
  2. Step 2: Convert to fraction form
    432,158,747.25/648,341,247.48 = 141,026,411.68/x
  3. Step 3: Cross multiply
    432,158,747.25x = 648,341,247.48 × 141,026,411.68
  4. Step 4: Simplify right side
    432,158,747.25x = 91,433,239,676,239,248
  5. Step 5: Solve for x
    x = 91,433,239,676,239,248/432,158,747.25
  6. Step 6: Final answer
    x = 211,573,270.84

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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.