Home / 211,055,999.40-316,583,999.10-177,043,775.40

Finding the Fourth Proportional to 211,055,999.40, 316,583,999.10 and 177,043,775.40

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Solution

The fourth proportional to 211,055,999.40, 316,583,999.10 and 177,043,775.40 is: 265,565,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055,999.40 : 316,583,999.10 = 177,043,775.40 : x
  2. Step 2: Convert to fraction form
    211,055,999.40/316,583,999.10 = 177,043,775.40/x
  3. Step 3: Cross multiply
    211,055,999.40x = 316,583,999.10 × 177,043,775.40
  4. Step 4: Simplify right side
    211,055,999.40x = 56,049,226,431,894,208
  5. Step 5: Solve for x
    x = 56,049,226,431,894,208/211,055,999.40
  6. Step 6: Final answer
    x = 265,565,663.10

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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.