Home / 103,797,897.18-143,238,576.52-57,386,957.82

Finding the Fourth Proportional to 103,797,897.18, 143,238,576.52 and 57,386,957.82

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Solution

The fourth proportional to 103,797,897.18, 143,238,576.52 and 57,386,957.82 is: 79,192,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,797,897.18 : 143,238,576.52 = 57,386,957.82 : x
  2. Step 2: Convert to fraction form
    103,797,897.18/143,238,576.52 = 57,386,957.82/x
  3. Step 3: Cross multiply
    103,797,897.18x = 143,238,576.52 × 57,386,957.82
  4. Step 4: Simplify right side
    103,797,897.18x = 8,220,026,148,950,083
  5. Step 5: Solve for x
    x = 8,220,026,148,950,083/103,797,897.18
  6. Step 6: Final answer
    x = 79,192,607.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.