Home / 100,095,998.60-149,955,041.10-51,408,129.80

Finding the Fourth Proportional to 100,095,998.60, 149,955,041.10 and 51,408,129.80

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Solution

The fourth proportional to 100,095,998.60, 149,955,041.10 and 51,408,129.80 is: 77,015,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,095,998.60 : 149,955,041.10 = 51,408,129.80 : x
  2. Step 2: Convert to fraction form
    100,095,998.60/149,955,041.10 = 51,408,129.80/x
  3. Step 3: Cross multiply
    100,095,998.60x = 149,955,041.10 × 51,408,129.80
  4. Step 4: Simplify right side
    100,095,998.60x = 7,708,908,217,033,134
  5. Step 5: Solve for x
    x = 7,708,908,217,033,134/100,095,998.60
  6. Step 6: Final answer
    x = 77,015,148.71

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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.