Home / 70,225,615.20-105,338,422.80-61,722,559.20

Finding the Fourth Proportional to 70,225,615.20, 105,338,422.80 and 61,722,559.20

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Solution

The fourth proportional to 70,225,615.20, 105,338,422.80 and 61,722,559.20 is: 92,583,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,225,615.20 : 105,338,422.80 = 61,722,559.20 : x
  2. Step 2: Convert to fraction form
    70,225,615.20/105,338,422.80 = 61,722,559.20/x
  3. Step 3: Cross multiply
    70,225,615.20x = 105,338,422.80 × 61,722,559.20
  4. Step 4: Simplify right side
    70,225,615.20x = 6,501,757,037,307,630
  5. Step 5: Solve for x
    x = 6,501,757,037,307,630/70,225,615.20
  6. Step 6: Final answer
    x = 92,583,838.80

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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.