Home / 61,886,172.40-92,761,461.60-31,131,703.60

Finding the Fourth Proportional to 61,886,172.40, 92,761,461.60 and 31,131,703.60

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Solution

The fourth proportional to 61,886,172.40, 92,761,461.60 and 31,131,703.60 is: 46,663,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,886,172.40 : 92,761,461.60 = 31,131,703.60 : x
  2. Step 2: Convert to fraction form
    61,886,172.40/92,761,461.60 = 31,131,703.60/x
  3. Step 3: Cross multiply
    61,886,172.40x = 92,761,461.60 × 31,131,703.60
  4. Step 4: Simplify right side
    61,886,172.40x = 2,887,822,328,033,981.50
  5. Step 5: Solve for x
    x = 2,887,822,328,033,981.50/61,886,172.40
  6. Step 6: Final answer
    x = 46,663,450.27

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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.