Home / 77,290,923.20-115,936,384.80-73,973,681.60

Finding the Fourth Proportional to 77,290,923.20, 115,936,384.80 and 73,973,681.60

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Solution

The fourth proportional to 77,290,923.20, 115,936,384.80 and 73,973,681.60 is: 110,960,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,290,923.20 : 115,936,384.80 = 73,973,681.60 : x
  2. Step 2: Convert to fraction form
    77,290,923.20/115,936,384.80 = 73,973,681.60/x
  3. Step 3: Cross multiply
    77,290,923.20x = 115,936,384.80 × 73,973,681.60
  4. Step 4: Simplify right side
    77,290,923.20x = 8,576,241,215,050,279
  5. Step 5: Solve for x
    x = 8,576,241,215,050,279/77,290,923.20
  6. Step 6: Final answer
    x = 110,960,522.40

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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.