Home / 191,656,725.34-264,704,449.76-128,823,737.11

Finding the Fourth Proportional to 191,656,725.34, 264,704,449.76 and 128,823,737.11

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Solution

The fourth proportional to 191,656,725.34, 264,704,449.76 and 128,823,737.11 is: 177,923,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,656,725.34 : 264,704,449.76 = 128,823,737.11 : x
  2. Step 2: Convert to fraction form
    191,656,725.34/264,704,449.76 = 128,823,737.11/x
  3. Step 3: Cross multiply
    191,656,725.34x = 264,704,449.76 × 128,823,737.11
  4. Step 4: Simplify right side
    191,656,725.34x = 34,100,216,445,761,804
  5. Step 5: Solve for x
    x = 34,100,216,445,761,804/191,656,725.34
  6. Step 6: Final answer
    x = 177,923,401.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.