Home / 119,882,783.82-165,438,239.58-64,878,640.32

Finding the Fourth Proportional to 119,882,783.82, 165,438,239.58 and 64,878,640.32

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Solution

The fourth proportional to 119,882,783.82, 165,438,239.58 and 64,878,640.32 is: 89,532,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,783.82 : 165,438,239.58 = 64,878,640.32 : x
  2. Step 2: Convert to fraction form
    119,882,783.82/165,438,239.58 = 64,878,640.32/x
  3. Step 3: Cross multiply
    119,882,783.82x = 165,438,239.58 × 64,878,640.32
  4. Step 4: Simplify right side
    119,882,783.82x = 10,733,408,040,884,808
  5. Step 5: Solve for x
    x = 10,733,408,040,884,808/119,882,783.82
  6. Step 6: Final answer
    x = 89,532,522.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.