Home / 55,178,072.60-82,767,108.90-31,290,200.60

Finding the Fourth Proportional to 55,178,072.60, 82,767,108.90 and 31,290,200.60

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Solution

The fourth proportional to 55,178,072.60, 82,767,108.90 and 31,290,200.60 is: 46,935,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178,072.60 : 82,767,108.90 = 31,290,200.60 : x
  2. Step 2: Convert to fraction form
    55,178,072.60/82,767,108.90 = 31,290,200.60/x
  3. Step 3: Cross multiply
    55,178,072.60x = 82,767,108.90 × 31,290,200.60
  4. Step 4: Simplify right side
    55,178,072.60x = 2,589,799,440,563,045.50
  5. Step 5: Solve for x
    x = 2,589,799,440,563,045.50/55,178,072.60
  6. Step 6: Final answer
    x = 46,935,300.90

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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.