Home / 155,271,945.30-232,710,103.80-82,523,577.30

Finding the Fourth Proportional to 155,271,945.30, 232,710,103.80 and 82,523,577.30

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Solution

The fourth proportional to 155,271,945.30, 232,710,103.80 and 82,523,577.30 is: 123,680,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,271,945.30 : 232,710,103.80 = 82,523,577.30 : x
  2. Step 2: Convert to fraction form
    155,271,945.30/232,710,103.80 = 82,523,577.30/x
  3. Step 3: Cross multiply
    155,271,945.30x = 232,710,103.80 × 82,523,577.30
  4. Step 4: Simplify right side
    155,271,945.30x = 19,204,070,239,430,324
  5. Step 5: Solve for x
    x = 19,204,070,239,430,324/155,271,945.30
  6. Step 6: Final answer
    x = 123,680,232.14

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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.