Home / 133,056,208.10-199,584,312.15-75,725,315.30

Finding the Fourth Proportional to 133,056,208.10, 199,584,312.15 and 75,725,315.30

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Solution

The fourth proportional to 133,056,208.10, 199,584,312.15 and 75,725,315.30 is: 113,587,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056,208.10 : 199,584,312.15 = 75,725,315.30 : x
  2. Step 2: Convert to fraction form
    133,056,208.10/199,584,312.15 = 75,725,315.30/x
  3. Step 3: Cross multiply
    133,056,208.10x = 199,584,312.15 × 75,725,315.30
  4. Step 4: Simplify right side
    133,056,208.10x = 15,113,584,966,492,370
  5. Step 5: Solve for x
    x = 15,113,584,966,492,370/133,056,208.10
  6. Step 6: Final answer
    x = 113,587,972.95

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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.