Home / 89,366,966.40-134,050,449.60-55,354,742.40

Finding the Fourth Proportional to 89,366,966.40, 134,050,449.60 and 55,354,742.40

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Solution

The fourth proportional to 89,366,966.40, 134,050,449.60 and 55,354,742.40 is: 83,032,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,366,966.40 : 134,050,449.60 = 55,354,742.40 : x
  2. Step 2: Convert to fraction form
    89,366,966.40/134,050,449.60 = 55,354,742.40/x
  3. Step 3: Cross multiply
    89,366,966.40x = 134,050,449.60 × 55,354,742.40
  4. Step 4: Simplify right side
    89,366,966.40x = 7,420,328,106,212,183
  5. Step 5: Solve for x
    x = 7,420,328,106,212,183/89,366,966.40
  6. Step 6: Final answer
    x = 83,032,113.60

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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.