Home / 471,835,107.72-707,752,051.38-126,788,740.02

Finding the Fourth Proportional to 471,835,107.72, 707,752,051.38 and 126,788,740.02

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Solution

The fourth proportional to 471,835,107.72, 707,752,051.38 and 126,788,740.02 is: 190,182,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,835,107.72 : 707,752,051.38 = 126,788,740.02 : x
  2. Step 2: Convert to fraction form
    471,835,107.72/707,752,051.38 = 126,788,740.02/x
  3. Step 3: Cross multiply
    471,835,107.72x = 707,752,051.38 × 126,788,740.02
  4. Step 4: Simplify right side
    471,835,107.72x = 89,734,990,841,040,496
  5. Step 5: Solve for x
    x = 89,734,990,841,040,496/471,835,107.72
  6. Step 6: Final answer
    x = 190,182,946.06

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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.