Home / 53,115,336,795.70-79,673,347,655.88-21,246,672,108.52

Finding the Fourth Proportional to 53,115,336,795.70, 79,673,347,655.88 and 21,246,672,108.52

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Solution

The fourth proportional to 53,115,336,795.70, 79,673,347,655.88 and 21,246,672,108.52 is: 31,870,145,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115,336,795.70 : 79,673,347,655.88 = 21,246,672,108.52 : x
  2. Step 2: Convert to fraction form
    53,115,336,795.70/79,673,347,655.88 = 21,246,672,108.52/x
  3. Step 3: Cross multiply
    53,115,336,795.70x = 79,673,347,655.88 × 21,246,672,108.52
  4. Step 4: Simplify right side
    53,115,336,795.70x = 1,692,793,493,432,602,984,448
  5. Step 5: Solve for x
    x = 1,692,793,493,432,602,984,448/53,115,336,795.70
  6. Step 6: Final answer
    x = 31,870,145,151.18

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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.