Home / 57,281,013.18-85,977,009.70-54,170,214.98

Finding the Fourth Proportional to 57,281,013.18, 85,977,009.70 and 54,170,214.98

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Solution

The fourth proportional to 57,281,013.18, 85,977,009.70 and 54,170,214.98 is: 81,307,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,281,013.18 : 85,977,009.70 = 54,170,214.98 : x
  2. Step 2: Convert to fraction form
    57,281,013.18/85,977,009.70 = 54,170,214.98/x
  3. Step 3: Cross multiply
    57,281,013.18x = 85,977,009.70 × 54,170,214.98
  4. Step 4: Simplify right side
    57,281,013.18x = 4,657,393,098,221,235
  5. Step 5: Solve for x
    x = 4,657,393,098,221,235/57,281,013.18
  6. Step 6: Final answer
    x = 81,307,798.86

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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.