Home / 47,715,261,330.15-71,572,891,995.23-21,157,586,809.20

Finding the Fourth Proportional to 47,715,261,330.15, 71,572,891,995.23 and 21,157,586,809.20

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Solution

The fourth proportional to 47,715,261,330.15, 71,572,891,995.23 and 21,157,586,809.20 is: 31,736,380,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715,261,330.15 : 71,572,891,995.23 = 21,157,586,809.20 : x
  2. Step 2: Convert to fraction form
    47,715,261,330.15/71,572,891,995.23 = 21,157,586,809.20/x
  3. Step 3: Cross multiply
    47,715,261,330.15x = 71,572,891,995.23 × 21,157,586,809.20
  4. Step 4: Simplify right side
    47,715,261,330.15x = 1,514,309,675,574,468,804,608
  5. Step 5: Solve for x
    x = 1,514,309,675,574,468,804,608/47,715,261,330.15
  6. Step 6: Final answer
    x = 31,736,380,213.80

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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.