Home / 151,834,293.87-227,655,737.69-128,813,290.35

Finding the Fourth Proportional to 151,834,293.87, 227,655,737.69 and 128,813,290.35

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Solution

The fourth proportional to 151,834,293.87, 227,655,737.69 and 128,813,290.35 is: 193,138,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,834,293.87 : 227,655,737.69 = 128,813,290.35 : x
  2. Step 2: Convert to fraction form
    151,834,293.87/227,655,737.69 = 128,813,290.35/x
  3. Step 3: Cross multiply
    151,834,293.87x = 227,655,737.69 × 128,813,290.35
  4. Step 4: Simplify right side
    151,834,293.87x = 29,325,084,638,261,340
  5. Step 5: Solve for x
    x = 29,325,084,638,261,340/151,834,293.87
  6. Step 6: Final answer
    x = 193,138,742.84

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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.