Home / 71,829,980.02-99,125,370.68-38,790,226.46

Finding the Fourth Proportional to 71,829,980.02, 99,125,370.68 and 38,790,226.46

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Solution

The fourth proportional to 71,829,980.02, 99,125,370.68 and 38,790,226.46 is: 53,530,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,829,980.02 : 99,125,370.68 = 38,790,226.46 : x
  2. Step 2: Convert to fraction form
    71,829,980.02/99,125,370.68 = 38,790,226.46/x
  3. Step 3: Cross multiply
    71,829,980.02x = 99,125,370.68 × 38,790,226.46
  4. Step 4: Simplify right side
    71,829,980.02x = 3,845,095,576,662,506
  5. Step 5: Solve for x
    x = 3,845,095,576,662,506/71,829,980.02
  6. Step 6: Final answer
    x = 53,530,511.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.