Home / 83,232,001.20-124,848,001.80-76,662,836.40

Finding the Fourth Proportional to 83,232,001.20, 124,848,001.80 and 76,662,836.40

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Solution

The fourth proportional to 83,232,001.20, 124,848,001.80 and 76,662,836.40 is: 114,994,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232,001.20 : 124,848,001.80 = 76,662,836.40 : x
  2. Step 2: Convert to fraction form
    83,232,001.20/124,848,001.80 = 76,662,836.40/x
  3. Step 3: Cross multiply
    83,232,001.20x = 124,848,001.80 × 76,662,836.40
  4. Step 4: Simplify right side
    83,232,001.20x = 9,571,201,936,860,306
  5. Step 5: Solve for x
    x = 9,571,201,936,860,306/83,232,001.20
  6. Step 6: Final answer
    x = 114,994,254.60

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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.