Home / 125,477,673.14-173,087,069.01-78,352,941.70

Finding the Fourth Proportional to 125,477,673.14, 173,087,069.01 and 78,352,941.70

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Solution

The fourth proportional to 125,477,673.14, 173,087,069.01 and 78,352,941.70 is: 108,082,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,477,673.14 : 173,087,069.01 = 78,352,941.70 : x
  2. Step 2: Convert to fraction form
    125,477,673.14/173,087,069.01 = 78,352,941.70/x
  3. Step 3: Cross multiply
    125,477,673.14x = 173,087,069.01 × 78,352,941.70
  4. Step 4: Simplify right side
    125,477,673.14x = 13,561,881,027,467,816
  5. Step 5: Solve for x
    x = 13,561,881,027,467,816/125,477,673.14
  6. Step 6: Final answer
    x = 108,082,025.18

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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.