Home / 75,046,100.80-112,569,151.20-70,865,723.20

Finding the Fourth Proportional to 75,046,100.80, 112,569,151.20 and 70,865,723.20

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Solution

The fourth proportional to 75,046,100.80, 112,569,151.20 and 70,865,723.20 is: 106,298,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,046,100.80 : 112,569,151.20 = 70,865,723.20 : x
  2. Step 2: Convert to fraction form
    75,046,100.80/112,569,151.20 = 70,865,723.20/x
  3. Step 3: Cross multiply
    75,046,100.80x = 112,569,151.20 × 70,865,723.20
  4. Step 4: Simplify right side
    75,046,100.80x = 7,977,294,309,798,148
  5. Step 5: Solve for x
    x = 7,977,294,309,798,148/75,046,100.80
  6. Step 6: Final answer
    x = 106,298,584.80

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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.