Home / 123,586,612.40-185,167,342.20-80,433,603.20

Finding the Fourth Proportional to 123,586,612.40, 185,167,342.20 and 80,433,603.20

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Solution

The fourth proportional to 123,586,612.40, 185,167,342.20 and 80,433,603.20 is: 120,512,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,586,612.40 : 185,167,342.20 = 80,433,603.20 : x
  2. Step 2: Convert to fraction form
    123,586,612.40/185,167,342.20 = 80,433,603.20/x
  3. Step 3: Cross multiply
    123,586,612.40x = 185,167,342.20 × 80,433,603.20
  4. Step 4: Simplify right side
    123,586,612.40x = 14,893,676,528,113,414
  5. Step 5: Solve for x
    x = 14,893,676,528,113,414/123,586,612.40
  6. Step 6: Final answer
    x = 120,512,054.17

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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.