Home / 147,546,127.90-221,460,909.45-74,844,999.10

Finding the Fourth Proportional to 147,546,127.90, 221,460,909.45 and 74,844,999.10

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Solution

The fourth proportional to 147,546,127.90, 221,460,909.45 and 74,844,999.10 is: 112,339,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,546,127.90 : 221,460,909.45 = 74,844,999.10 : x
  2. Step 2: Convert to fraction form
    147,546,127.90/221,460,909.45 = 74,844,999.10/x
  3. Step 3: Cross multiply
    147,546,127.90x = 221,460,909.45 × 74,844,999.10
  4. Step 4: Simplify right side
    147,546,127.90x = 16,575,241,568,470,430
  5. Step 5: Solve for x
    x = 16,575,241,568,470,430/147,546,127.90
  6. Step 6: Final answer
    x = 112,339,387.04

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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.