Home / 175,648,051.80-263,283,120.90-66,431,021.40

Finding the Fourth Proportional to 175,648,051.80, 263,283,120.90 and 66,431,021.40

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Solution

The fourth proportional to 175,648,051.80, 263,283,120.90 and 66,431,021.40 is: 99,575,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,648,051.80 : 263,283,120.90 = 66,431,021.40 : x
  2. Step 2: Convert to fraction form
    175,648,051.80/263,283,120.90 = 66,431,021.40/x
  3. Step 3: Cross multiply
    175,648,051.80x = 263,283,120.90 × 66,431,021.40
  4. Step 4: Simplify right side
    175,648,051.80x = 17,490,166,638,766,688
  5. Step 5: Solve for x
    x = 17,490,166,638,766,688/175,648,051.80
  6. Step 6: Final answer
    x = 99,575,067.64

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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.