Home / 58,046,013.03-87,069,006.72-21,160,668.36

Finding the Fourth Proportional to 58,046,013.03, 87,069,006.72 and 21,160,668.36

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Solution

The fourth proportional to 58,046,013.03, 87,069,006.72 and 21,160,668.36 is: 31,740,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,046,013.03 : 87,069,006.72 = 21,160,668.36 : x
  2. Step 2: Convert to fraction form
    58,046,013.03/87,069,006.72 = 21,160,668.36/x
  3. Step 3: Cross multiply
    58,046,013.03x = 87,069,006.72 × 21,160,668.36
  4. Step 4: Simplify right side
    58,046,013.03x = 1,842,438,375,636,531.25
  5. Step 5: Solve for x
    x = 1,842,438,375,636,531.25/58,046,013.03
  6. Step 6: Final answer
    x = 31,740,997.86

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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.