Home / 110,616,716.10-165,925,074.15-99,657,221.70

Finding the Fourth Proportional to 110,616,716.10, 165,925,074.15 and 99,657,221.70

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Solution

The fourth proportional to 110,616,716.10, 165,925,074.15 and 99,657,221.70 is: 149,485,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,616,716.10 : 165,925,074.15 = 99,657,221.70 : x
  2. Step 2: Convert to fraction form
    110,616,716.10/165,925,074.15 = 99,657,221.70/x
  3. Step 3: Cross multiply
    110,616,716.10x = 165,925,074.15 × 99,657,221.70
  4. Step 4: Simplify right side
    110,616,716.10x = 16,535,631,900,155,490
  5. Step 5: Solve for x
    x = 16,535,631,900,155,490/110,616,716.10
  6. Step 6: Final answer
    x = 149,485,832.55

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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.