Home / 79,142,605.20-118,713,907.80-59,743,040.40

Finding the Fourth Proportional to 79,142,605.20, 118,713,907.80 and 59,743,040.40

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Solution

The fourth proportional to 79,142,605.20, 118,713,907.80 and 59,743,040.40 is: 89,614,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,142,605.20 : 118,713,907.80 = 59,743,040.40 : x
  2. Step 2: Convert to fraction form
    79,142,605.20/118,713,907.80 = 59,743,040.40/x
  3. Step 3: Cross multiply
    79,142,605.20x = 118,713,907.80 × 59,743,040.40
  4. Step 4: Simplify right side
    79,142,605.20x = 7,092,329,789,737,275
  5. Step 5: Solve for x
    x = 7,092,329,789,737,275/79,142,605.20
  6. Step 6: Final answer
    x = 89,614,560.60

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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.