Home / 209,430,439,834.60-314,189,833,652.70-67,928,872,044.52

Finding the Fourth Proportional to 209,430,439,834.60, 314,189,833,652.70 and 67,928,872,044.52

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Solution

The fourth proportional to 209,430,439,834.60, 314,189,833,652.70 and 67,928,872,044.52 is: 101,907,635,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,430,439,834.60 : 314,189,833,652.70 = 67,928,872,044.52 : x
  2. Step 2: Convert to fraction form
    209,430,439,834.60/314,189,833,652.70 = 67,928,872,044.52/x
  3. Step 3: Cross multiply
    209,430,439,834.60x = 314,189,833,652.70 × 67,928,872,044.52
  4. Step 4: Simplify right side
    209,430,439,834.60x = 21,342,561,007,883,283,070,976
  5. Step 5: Solve for x
    x = 21,342,561,007,883,283,070,976/209,430,439,834.60
  6. Step 6: Final answer
    x = 101,907,635,894.47

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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.