Home / 105,417,794.66-157,920,758.39-72,622,570.55

Finding the Fourth Proportional to 105,417,794.66, 157,920,758.39 and 72,622,570.55

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Solution

The fourth proportional to 105,417,794.66, 157,920,758.39 and 72,622,570.55 is: 108,791,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,417,794.66 : 157,920,758.39 = 72,622,570.55 : x
  2. Step 2: Convert to fraction form
    105,417,794.66/157,920,758.39 = 72,622,570.55/x
  3. Step 3: Cross multiply
    105,417,794.66x = 157,920,758.39 × 72,622,570.55
  4. Step 4: Simplify right side
    105,417,794.66x = 11,468,611,416,879,234
  5. Step 5: Solve for x
    x = 11,468,611,416,879,234/105,417,794.66
  6. Step 6: Final answer
    x = 108,791,987.68

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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.