Home / 142,537,732.48-213,887,472.36-76,957,990.48

Finding the Fourth Proportional to 142,537,732.48, 213,887,472.36 and 76,957,990.48

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Solution

The fourth proportional to 142,537,732.48, 213,887,472.36 and 76,957,990.48 is: 115,480,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,537,732.48 : 213,887,472.36 = 76,957,990.48 : x
  2. Step 2: Convert to fraction form
    142,537,732.48/213,887,472.36 = 76,957,990.48/x
  3. Step 3: Cross multiply
    142,537,732.48x = 213,887,472.36 × 76,957,990.48
  4. Step 4: Simplify right side
    142,537,732.48x = 16,460,350,061,672,146
  5. Step 5: Solve for x
    x = 16,460,350,061,672,146/142,537,732.48
  6. Step 6: Final answer
    x = 115,480,650.46

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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.