Home / 79,284,815.20-118,927,222.80-59,129,423.20

Finding the Fourth Proportional to 79,284,815.20, 118,927,222.80 and 59,129,423.20

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Solution

The fourth proportional to 79,284,815.20, 118,927,222.80 and 59,129,423.20 is: 88,694,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,284,815.20 : 118,927,222.80 = 59,129,423.20 : x
  2. Step 2: Convert to fraction form
    79,284,815.20/118,927,222.80 = 59,129,423.20/x
  3. Step 3: Cross multiply
    79,284,815.20x = 118,927,222.80 × 59,129,423.20
  4. Step 4: Simplify right side
    79,284,815.20x = 7,032,098,086,941,889
  5. Step 5: Solve for x
    x = 7,032,098,086,941,889/79,284,815.20
  6. Step 6: Final answer
    x = 88,694,134.80

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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.