Home / 120,311,484,244.64-180,473,220,759.42-45,787,243,551.20

Finding the Fourth Proportional to 120,311,484,244.64, 180,473,220,759.42 and 45,787,243,551.20

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Solution

The fourth proportional to 120,311,484,244.64, 180,473,220,759.42 and 45,787,243,551.20 is: 68,683,146,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,311,484,244.64 : 180,473,220,759.42 = 45,787,243,551.20 : x
  2. Step 2: Convert to fraction form
    120,311,484,244.64/180,473,220,759.42 = 45,787,243,551.20/x
  3. Step 3: Cross multiply
    120,311,484,244.64x = 180,473,220,759.42 × 45,787,243,551.20
  4. Step 4: Simplify right side
    120,311,484,244.64x = 8,263,371,313,381,047,795,712
  5. Step 5: Solve for x
    x = 8,263,371,313,381,047,795,712/120,311,484,244.64
  6. Step 6: Final answer
    x = 68,683,146,627.79

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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.