Home / 126,629,168.60-189,943,752.90-119,574,781.40

Finding the Fourth Proportional to 126,629,168.60, 189,943,752.90 and 119,574,781.40

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Solution

The fourth proportional to 126,629,168.60, 189,943,752.90 and 119,574,781.40 is: 179,362,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,629,168.60 : 189,943,752.90 = 119,574,781.40 : x
  2. Step 2: Convert to fraction form
    126,629,168.60/189,943,752.90 = 119,574,781.40/x
  3. Step 3: Cross multiply
    126,629,168.60x = 189,943,752.90 × 119,574,781.40
  4. Step 4: Simplify right side
    126,629,168.60x = 22,712,482,731,313,116
  5. Step 5: Solve for x
    x = 22,712,482,731,313,116/126,629,168.60
  6. Step 6: Final answer
    x = 179,362,172.10

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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.