Home / 78,896,503,261.80-118,344,754,892.70-73,317,648,220.20

Finding the Fourth Proportional to 78,896,503,261.80, 118,344,754,892.70 and 73,317,648,220.20

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Solution

The fourth proportional to 78,896,503,261.80, 118,344,754,892.70 and 73,317,648,220.20 is: 109,976,472,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,896,503,261.80 : 118,344,754,892.70 = 73,317,648,220.20 : x
  2. Step 2: Convert to fraction form
    78,896,503,261.80/118,344,754,892.70 = 73,317,648,220.20/x
  3. Step 3: Cross multiply
    78,896,503,261.80x = 118,344,754,892.70 × 73,317,648,220.20
  4. Step 4: Simplify right side
    78,896,503,261.80x = 8,676,759,107,928,770,740,224
  5. Step 5: Solve for x
    x = 8,676,759,107,928,770,740,224/78,896,503,261.80
  6. Step 6: Final answer
    x = 109,976,472,330.30

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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.