Home / 269,382,957.44-404,088,860.80-85,136,417.60

Finding the Fourth Proportional to 269,382,957.44, 404,088,860.80 and 85,136,417.60

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Solution

The fourth proportional to 269,382,957.44, 404,088,860.80 and 85,136,417.60 is: 127,709,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,382,957.44 : 404,088,860.80 = 85,136,417.60 : x
  2. Step 2: Convert to fraction form
    269,382,957.44/404,088,860.80 = 85,136,417.60/x
  3. Step 3: Cross multiply
    269,382,957.44x = 404,088,860.80 × 85,136,417.60
  4. Step 4: Simplify right side
    269,382,957.44x = 34,402,678,000,577,068
  5. Step 5: Solve for x
    x = 34,402,678,000,577,068/269,382,957.44
  6. Step 6: Final answer
    x = 127,709,185.20

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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.