Home / 79,880,909.22-119,824,782.81-31,369,259.76

Finding the Fourth Proportional to 79,880,909.22, 119,824,782.81 and 31,369,259.76

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Solution

The fourth proportional to 79,880,909.22, 119,824,782.81 and 31,369,259.76 is: 47,055,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,880,909.22 : 119,824,782.81 = 31,369,259.76 : x
  2. Step 2: Convert to fraction form
    79,880,909.22/119,824,782.81 = 31,369,259.76/x
  3. Step 3: Cross multiply
    79,880,909.22x = 119,824,782.81 × 31,369,259.76
  4. Step 4: Simplify right side
    79,880,909.22x = 3,758,814,737,652,473
  5. Step 5: Solve for x
    x = 3,758,814,737,652,473/79,880,909.22
  6. Step 6: Final answer
    x = 47,055,232.27

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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.