Home / 100,926,238.19-139,278,264.77-54,516,492.50

Finding the Fourth Proportional to 100,926,238.19, 139,278,264.77 and 54,516,492.50

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Solution

The fourth proportional to 100,926,238.19, 139,278,264.77 and 54,516,492.50 is: 75,232,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,238.19 : 139,278,264.77 = 54,516,492.50 : x
  2. Step 2: Convert to fraction form
    100,926,238.19/139,278,264.77 = 54,516,492.50/x
  3. Step 3: Cross multiply
    100,926,238.19x = 139,278,264.77 × 54,516,492.50
  4. Step 4: Simplify right side
    100,926,238.19x = 7,592,962,476,746,720
  5. Step 5: Solve for x
    x = 7,592,962,476,746,720/100,926,238.19
  6. Step 6: Final answer
    x = 75,232,789.94

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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.