Home / 120,311,484,242.88-180,473,220,756.80-45,787,243,549.44

Finding the Fourth Proportional to 120,311,484,242.88, 180,473,220,756.80 and 45,787,243,549.44

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Solution

The fourth proportional to 120,311,484,242.88, 180,473,220,756.80 and 45,787,243,549.44 is: 68,683,146,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,311,484,242.88 : 180,473,220,756.80 = 45,787,243,549.44 : x
  2. Step 2: Convert to fraction form
    120,311,484,242.88/180,473,220,756.80 = 45,787,243,549.44/x
  3. Step 3: Cross multiply
    120,311,484,242.88x = 180,473,220,756.80 × 45,787,243,549.44
  4. Step 4: Simplify right side
    120,311,484,242.88x = 8,263,371,312,943,451,865,088
  5. Step 5: Solve for x
    x = 8,263,371,312,943,451,865,088/120,311,484,242.88
  6. Step 6: Final answer
    x = 68,683,146,625.15

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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.