Home / 130,278,821.60-195,418,232.40-45,178,277.60

Finding the Fourth Proportional to 130,278,821.60, 195,418,232.40 and 45,178,277.60

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Solution

The fourth proportional to 130,278,821.60, 195,418,232.40 and 45,178,277.60 is: 67,767,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,278,821.60 : 195,418,232.40 = 45,178,277.60 : x
  2. Step 2: Convert to fraction form
    130,278,821.60/195,418,232.40 = 45,178,277.60/x
  3. Step 3: Cross multiply
    130,278,821.60x = 195,418,232.40 × 45,178,277.60
  4. Step 4: Simplify right side
    130,278,821.60x = 8,828,659,151,468,515
  5. Step 5: Solve for x
    x = 8,828,659,151,468,515/130,278,821.60
  6. Step 6: Final answer
    x = 67,767,416.40

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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.