Home / 99,557,709.60-149,336,564.40-89,354,042.40

Finding the Fourth Proportional to 99,557,709.60, 149,336,564.40 and 89,354,042.40

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Solution

The fourth proportional to 99,557,709.60, 149,336,564.40 and 89,354,042.40 is: 134,031,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557,709.60 : 149,336,564.40 = 89,354,042.40 : x
  2. Step 2: Convert to fraction form
    99,557,709.60/149,336,564.40 = 89,354,042.40/x
  3. Step 3: Cross multiply
    99,557,709.60x = 149,336,564.40 × 89,354,042.40
  4. Step 4: Simplify right side
    99,557,709.60x = 13,343,825,707,267,932
  5. Step 5: Solve for x
    x = 13,343,825,707,267,932/99,557,709.60
  6. Step 6: Final answer
    x = 134,031,063.60

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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.