Home / 136,338,624,132.80-204,378,941,690.40-80,484,001,822.40

Finding the Fourth Proportional to 136,338,624,132.80, 204,378,941,690.40 and 80,484,001,822.40

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Solution

The fourth proportional to 136,338,624,132.80, 204,378,941,690.40 and 80,484,001,822.40 is: 120,649,854,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,338,624,132.80 : 204,378,941,690.40 = 80,484,001,822.40 : x
  2. Step 2: Convert to fraction form
    136,338,624,132.80/204,378,941,690.40 = 80,484,001,822.40/x
  3. Step 3: Cross multiply
    136,338,624,132.80x = 204,378,941,690.40 × 80,484,001,822.40
  4. Step 4: Simplify right side
    136,338,624,132.80x = 16,449,235,115,470,334,459,904
  5. Step 5: Solve for x
    x = 16,449,235,115,470,334,459,904/136,338,624,132.80
  6. Step 6: Final answer
    x = 120,649,854,141.47

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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.