Home / 161,851,085.47-223,303,506.56-99,061,725.79

Finding the Fourth Proportional to 161,851,085.47, 223,303,506.56 and 99,061,725.79

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Solution

The fourth proportional to 161,851,085.47, 223,303,506.56 and 99,061,725.79 is: 136,673,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,851,085.47 : 223,303,506.56 = 99,061,725.79 : x
  2. Step 2: Convert to fraction form
    161,851,085.47/223,303,506.56 = 99,061,725.79/x
  3. Step 3: Cross multiply
    161,851,085.47x = 223,303,506.56 × 99,061,725.79
  4. Step 4: Simplify right side
    161,851,085.47x = 22,120,830,733,738,620
  5. Step 5: Solve for x
    x = 22,120,830,733,738,620/161,851,085.47
  6. Step 6: Final answer
    x = 136,673,972.06

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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.