Home / 78,777,056.40-118,109,597.40-35,666,912.40

Finding the Fourth Proportional to 78,777,056.40, 118,109,597.40 and 35,666,912.40

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Solution

The fourth proportional to 78,777,056.40, 118,109,597.40 and 35,666,912.40 is: 53,475,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,777,056.40 : 118,109,597.40 = 35,666,912.40 : x
  2. Step 2: Convert to fraction form
    78,777,056.40/118,109,597.40 = 35,666,912.40/x
  3. Step 3: Cross multiply
    78,777,056.40x = 118,109,597.40 × 35,666,912.40
  4. Step 4: Simplify right side
    78,777,056.40x = 4,212,604,664,065,068
  5. Step 5: Solve for x
    x = 4,212,604,664,065,068/78,777,056.40
  6. Step 6: Final answer
    x = 53,475,019.97

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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.