Home / 55,134,666.40-82,701,999.60-39,829,165.60

Finding the Fourth Proportional to 55,134,666.40, 82,701,999.60 and 39,829,165.60

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Solution

The fourth proportional to 55,134,666.40, 82,701,999.60 and 39,829,165.60 is: 59,743,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134,666.40 : 82,701,999.60 = 39,829,165.60 : x
  2. Step 2: Convert to fraction form
    55,134,666.40/82,701,999.60 = 39,829,165.60/x
  3. Step 3: Cross multiply
    55,134,666.40x = 82,701,999.60 × 39,829,165.60
  4. Step 4: Simplify right side
    55,134,666.40x = 3,293,951,637,519,533.50
  5. Step 5: Solve for x
    x = 3,293,951,637,519,533.50/55,134,666.40
  6. Step 6: Final answer
    x = 59,743,748.40

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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.