Home / 109,980,955.40-165,077,721.30-66,934,234.40

Finding the Fourth Proportional to 109,980,955.40, 165,077,721.30 and 66,934,234.40

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Solution

The fourth proportional to 109,980,955.40, 165,077,721.30 and 66,934,234.40 is: 100,466,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,980,955.40 : 165,077,721.30 = 66,934,234.40 : x
  2. Step 2: Convert to fraction form
    109,980,955.40/165,077,721.30 = 66,934,234.40/x
  3. Step 3: Cross multiply
    109,980,955.40x = 165,077,721.30 × 66,934,234.40
  4. Step 4: Simplify right side
    109,980,955.40x = 11,049,350,891,712,074
  5. Step 5: Solve for x
    x = 11,049,350,891,712,074/109,980,955.40
  6. Step 6: Final answer
    x = 100,466,038.43

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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.