Home / 147,545,979.90-221,460,687.45-74,844,851.10

Finding the Fourth Proportional to 147,545,979.90, 221,460,687.45 and 74,844,851.10

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Solution

The fourth proportional to 147,545,979.90, 221,460,687.45 and 74,844,851.10 is: 112,339,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,545,979.90 : 221,460,687.45 = 74,844,851.10 : x
  2. Step 2: Convert to fraction form
    147,545,979.90/221,460,687.45 = 74,844,851.10/x
  3. Step 3: Cross multiply
    147,545,979.90x = 221,460,687.45 × 74,844,851.10
  4. Step 4: Simplify right side
    147,545,979.90x = 16,575,192,176,698,886
  5. Step 5: Solve for x
    x = 16,575,192,176,698,886/147,545,979.90
  6. Step 6: Final answer
    x = 112,339,164.97

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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.