Home / 100,926,284.45-139,278,328.64-54,516,538.82

Finding the Fourth Proportional to 100,926,284.45, 139,278,328.64 and 54,516,538.82

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Solution

The fourth proportional to 100,926,284.45, 139,278,328.64 and 54,516,538.82 is: 75,232,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,284.45 : 139,278,328.64 = 54,516,538.82 : x
  2. Step 2: Convert to fraction form
    100,926,284.45/139,278,328.64 = 54,516,538.82/x
  3. Step 3: Cross multiply
    100,926,284.45x = 139,278,328.64 × 54,516,538.82
  4. Step 4: Simplify right side
    100,926,284.45x = 7,592,972,409,118,303
  5. Step 5: Solve for x
    x = 7,592,972,409,118,303/100,926,284.45
  6. Step 6: Final answer
    x = 75,232,853.87

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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.