Home / 123,299,730.89-170,152,272.60-66,783,070.75

Finding the Fourth Proportional to 123,299,730.89, 170,152,272.60 and 66,783,070.75

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Solution

The fourth proportional to 123,299,730.89, 170,152,272.60 and 66,783,070.75 is: 92,159,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,299,730.89 : 170,152,272.60 = 66,783,070.75 : x
  2. Step 2: Convert to fraction form
    123,299,730.89/170,152,272.60 = 66,783,070.75/x
  3. Step 3: Cross multiply
    123,299,730.89x = 170,152,272.60 × 66,783,070.75
  4. Step 4: Simplify right side
    123,299,730.89x = 11,363,291,259,600,376
  5. Step 5: Solve for x
    x = 11,363,291,259,600,376/123,299,730.89
  6. Step 6: Final answer
    x = 92,159,903.17

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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.