Home / 199,300,686.90-298,951,030.35-177,777,326.40

Finding the Fourth Proportional to 199,300,686.90, 298,951,030.35 and 177,777,326.40

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Solution

The fourth proportional to 199,300,686.90, 298,951,030.35 and 177,777,326.40 is: 266,665,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300,686.90 : 298,951,030.35 = 177,777,326.40 : x
  2. Step 2: Convert to fraction form
    199,300,686.90/298,951,030.35 = 177,777,326.40/x
  3. Step 3: Cross multiply
    199,300,686.90x = 298,951,030.35 × 177,777,326.40
  4. Step 4: Simplify right side
    199,300,686.90x = 53,146,714,900,148,264
  5. Step 5: Solve for x
    x = 53,146,714,900,148,264/199,300,686.90
  6. Step 6: Final answer
    x = 266,665,989.60

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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.