Home / 55,187,440.84-76,160,393.90-31,670,279.92

Finding the Fourth Proportional to 55,187,440.84, 76,160,393.90 and 31,670,279.92

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Solution

The fourth proportional to 55,187,440.84, 76,160,393.90 and 31,670,279.92 is: 43,705,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,187,440.84 : 76,160,393.90 = 31,670,279.92 : x
  2. Step 2: Convert to fraction form
    55,187,440.84/76,160,393.90 = 31,670,279.92/x
  3. Step 3: Cross multiply
    55,187,440.84x = 76,160,393.90 × 31,670,279.92
  4. Step 4: Simplify right side
    55,187,440.84x = 2,412,020,993,630,461
  5. Step 5: Solve for x
    x = 2,412,020,993,630,461/55,187,440.84
  6. Step 6: Final answer
    x = 43,705,976.52

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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.