Home / 78,732,051.10-118,098,076.65-57,065,004.70

Finding the Fourth Proportional to 78,732,051.10, 118,098,076.65 and 57,065,004.70

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Solution

The fourth proportional to 78,732,051.10, 118,098,076.65 and 57,065,004.70 is: 85,597,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,051.10 : 118,098,076.65 = 57,065,004.70 : x
  2. Step 2: Convert to fraction form
    78,732,051.10/118,098,076.65 = 57,065,004.70/x
  3. Step 3: Cross multiply
    78,732,051.10x = 118,098,076.65 × 57,065,004.70
  4. Step 4: Simplify right side
    78,732,051.10x = 6,739,267,299,093,211
  5. Step 5: Solve for x
    x = 6,739,267,299,093,211/78,732,051.10
  6. Step 6: Final answer
    x = 85,597,507.05

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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.