Home / 145,212,083.60-217,818,125.40-112,333,600.40

Finding the Fourth Proportional to 145,212,083.60, 217,818,125.40 and 112,333,600.40

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Solution

The fourth proportional to 145,212,083.60, 217,818,125.40 and 112,333,600.40 is: 168,500,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,212,083.60 : 217,818,125.40 = 112,333,600.40 : x
  2. Step 2: Convert to fraction form
    145,212,083.60/217,818,125.40 = 112,333,600.40/x
  3. Step 3: Cross multiply
    145,212,083.60x = 217,818,125.40 × 112,333,600.40
  4. Step 4: Simplify right side
    145,212,083.60x = 24,468,294,258,560,692
  5. Step 5: Solve for x
    x = 24,468,294,258,560,692/145,212,083.60
  6. Step 6: Final answer
    x = 168,500,400.60

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1.5x scale

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.