Home / 175,884,927.60-263,827,391.40-78,737,512.80

Finding the Fourth Proportional to 175,884,927.60, 263,827,391.40 and 78,737,512.80

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Solution

The fourth proportional to 175,884,927.60, 263,827,391.40 and 78,737,512.80 is: 118,106,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,884,927.60 : 263,827,391.40 = 78,737,512.80 : x
  2. Step 2: Convert to fraction form
    175,884,927.60/263,827,391.40 = 78,737,512.80/x
  3. Step 3: Cross multiply
    175,884,927.60x = 263,827,391.40 × 78,737,512.80
  4. Step 4: Simplify right side
    175,884,927.60x = 20,773,112,607,348,108
  5. Step 5: Solve for x
    x = 20,773,112,607,348,108/175,884,927.60
  6. Step 6: Final answer
    x = 118,106,269.20

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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.