Home / 205,127,070.30-307,690,605.45-61,519,902.30

Finding the Fourth Proportional to 205,127,070.30, 307,690,605.45 and 61,519,902.30

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Solution

The fourth proportional to 205,127,070.30, 307,690,605.45 and 61,519,902.30 is: 92,279,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,127,070.30 : 307,690,605.45 = 61,519,902.30 : x
  2. Step 2: Convert to fraction form
    205,127,070.30/307,690,605.45 = 61,519,902.30/x
  3. Step 3: Cross multiply
    205,127,070.30x = 307,690,605.45 × 61,519,902.30
  4. Step 4: Simplify right side
    205,127,070.30x = 18,929,095,985,911,844
  5. Step 5: Solve for x
    x = 18,929,095,985,911,844/205,127,070.30
  6. Step 6: Final answer
    x = 92,279,853.45

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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.