Home / 130,346,117.60-195,629,401.20-53,724,135.20

Finding the Fourth Proportional to 130,346,117.60, 195,629,401.20 and 53,724,135.20

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Solution

The fourth proportional to 130,346,117.60, 195,629,401.20 and 53,724,135.20 is: 80,631,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,346,117.60 : 195,629,401.20 = 53,724,135.20 : x
  2. Step 2: Convert to fraction form
    130,346,117.60/195,629,401.20 = 53,724,135.20/x
  3. Step 3: Cross multiply
    130,346,117.60x = 195,629,401.20 × 53,724,135.20
  4. Step 4: Simplify right side
    130,346,117.60x = 10,510,020,399,163,842
  5. Step 5: Solve for x
    x = 10,510,020,399,163,842/130,346,117.60
  6. Step 6: Final answer
    x = 80,631,633.63

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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.