Home / 92,891,125.04-128,193,042.80-51,078,375.04

Finding the Fourth Proportional to 92,891,125.04, 128,193,042.80 and 51,078,375.04

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Solution

The fourth proportional to 92,891,125.04, 128,193,042.80 and 51,078,375.04 is: 70,489,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,891,125.04 : 128,193,042.80 = 51,078,375.04 : x
  2. Step 2: Convert to fraction form
    92,891,125.04/128,193,042.80 = 51,078,375.04/x
  3. Step 3: Cross multiply
    92,891,125.04x = 128,193,042.80 × 51,078,375.04
  4. Step 4: Simplify right side
    92,891,125.04x = 6,547,892,317,657,171
  5. Step 5: Solve for x
    x = 6,547,892,317,657,171/92,891,125.04
  6. Step 6: Final answer
    x = 70,489,966.77

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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.