Home / 120,311,484,268.86-180,473,220,795.78-45,787,243,575.48

Finding the Fourth Proportional to 120,311,484,268.86, 180,473,220,795.78 and 45,787,243,575.48

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Solution

The fourth proportional to 120,311,484,268.86, 180,473,220,795.78 and 45,787,243,575.48 is: 68,683,146,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,311,484,268.86 : 180,473,220,795.78 = 45,787,243,575.48 : x
  2. Step 2: Convert to fraction form
    120,311,484,268.86/180,473,220,795.78 = 45,787,243,575.48/x
  3. Step 3: Cross multiply
    120,311,484,268.86x = 180,473,220,795.78 × 45,787,243,575.48
  4. Step 4: Simplify right side
    120,311,484,268.86x = 8,263,371,319,427,761,963,008
  5. Step 5: Solve for x
    x = 8,263,371,319,427,761,963,008/120,311,484,268.86
  6. Step 6: Final answer
    x = 68,683,146,664.22

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1.5x scale

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.