Home / 140,547,755.52-210,015,999.36-107,126,020.80

Finding the Fourth Proportional to 140,547,755.52, 210,015,999.36 and 107,126,020.80

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Solution

The fourth proportional to 140,547,755.52, 210,015,999.36 and 107,126,020.80 is: 160,074,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,547,755.52 : 210,015,999.36 = 107,126,020.80 : x
  2. Step 2: Convert to fraction form
    140,547,755.52/210,015,999.36 = 107,126,020.80/x
  3. Step 3: Cross multiply
    140,547,755.52x = 210,015,999.36 × 107,126,020.80
  4. Step 4: Simplify right side
    140,547,755.52x = 22,498,178,315,772,148
  5. Step 5: Solve for x
    x = 22,498,178,315,772,148/140,547,755.52
  6. Step 6: Final answer
    x = 160,074,974.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.