Home / 89,366,989.40-134,050,484.10-55,354,765.40

Finding the Fourth Proportional to 89,366,989.40, 134,050,484.10 and 55,354,765.40

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Solution

The fourth proportional to 89,366,989.40, 134,050,484.10 and 55,354,765.40 is: 83,032,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,366,989.40 : 134,050,484.10 = 55,354,765.40 : x
  2. Step 2: Convert to fraction form
    89,366,989.40/134,050,484.10 = 55,354,765.40/x
  3. Step 3: Cross multiply
    89,366,989.40x = 134,050,484.10 × 55,354,765.40
  4. Step 4: Simplify right side
    89,366,989.40x = 7,420,333,099,111,930
  5. Step 5: Solve for x
    x = 7,420,333,099,111,930/89,366,989.40
  6. Step 6: Final answer
    x = 83,032,148.10

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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.