Home / 211,304,826.66-316,978,981.50-73,130,191.26

Finding the Fourth Proportional to 211,304,826.66, 316,978,981.50 and 73,130,191.26

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Solution

The fourth proportional to 211,304,826.66, 316,978,981.50 and 73,130,191.26 is: 109,702,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,304,826.66 : 316,978,981.50 = 73,130,191.26 : x
  2. Step 2: Convert to fraction form
    211,304,826.66/316,978,981.50 = 73,130,191.26/x
  3. Step 3: Cross multiply
    211,304,826.66x = 316,978,981.50 × 73,130,191.26
  4. Step 4: Simplify right side
    211,304,826.66x = 23,180,733,542,495,004
  5. Step 5: Solve for x
    x = 23,180,733,542,495,004/211,304,826.66
  6. Step 6: Final answer
    x = 109,702,811.38

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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.