Home / 140,238,669.42-210,368,572.80-41,862,605.31

Finding the Fourth Proportional to 140,238,669.42, 210,368,572.80 and 41,862,605.31

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Solution

The fourth proportional to 140,238,669.42, 210,368,572.80 and 41,862,605.31 is: 62,797,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,238,669.42 : 210,368,572.80 = 41,862,605.31 : x
  2. Step 2: Convert to fraction form
    140,238,669.42/210,368,572.80 = 41,862,605.31/x
  3. Step 3: Cross multiply
    140,238,669.42x = 210,368,572.80 × 41,862,605.31
  4. Step 4: Simplify right side
    140,238,669.42x = 8,806,576,532,754,403
  5. Step 5: Solve for x
    x = 8,806,576,532,754,403/140,238,669.42
  6. Step 6: Final answer
    x = 62,797,062.82

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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.