Home / 82,390,852.20-123,586,278.30-46,111,146.60

Finding the Fourth Proportional to 82,390,852.20, 123,586,278.30 and 46,111,146.60

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Solution

The fourth proportional to 82,390,852.20, 123,586,278.30 and 46,111,146.60 is: 69,166,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,390,852.20 : 123,586,278.30 = 46,111,146.60 : x
  2. Step 2: Convert to fraction form
    82,390,852.20/123,586,278.30 = 46,111,146.60/x
  3. Step 3: Cross multiply
    82,390,852.20x = 123,586,278.30 × 46,111,146.60
  4. Step 4: Simplify right side
    82,390,852.20x = 5,698,704,996,439,699
  5. Step 5: Solve for x
    x = 5,698,704,996,439,699/82,390,852.20
  6. Step 6: Final answer
    x = 69,166,719.90

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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.