Home / 99,645,403.05-149,468,104.58-73,817,370.45

Finding the Fourth Proportional to 99,645,403.05, 149,468,104.58 and 73,817,370.45

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Solution

The fourth proportional to 99,645,403.05, 149,468,104.58 and 73,817,370.45 is: 110,726,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,403.05 : 149,468,104.58 = 73,817,370.45 : x
  2. Step 2: Convert to fraction form
    99,645,403.05/149,468,104.58 = 73,817,370.45/x
  3. Step 3: Cross multiply
    99,645,403.05x = 149,468,104.58 × 73,817,370.45
  4. Step 4: Simplify right side
    99,645,403.05x = 11,033,342,445,872,114
  5. Step 5: Solve for x
    x = 11,033,342,445,872,114/99,645,403.05
  6. Step 6: Final answer
    x = 110,726,055.68

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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.