Home / 80,129,493,158.40-120,194,239,737.60-56,620,243,929.60

Finding the Fourth Proportional to 80,129,493,158.40, 120,194,239,737.60 and 56,620,243,929.60

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Solution

The fourth proportional to 80,129,493,158.40, 120,194,239,737.60 and 56,620,243,929.60 is: 84,930,365,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,129,493,158.40 : 120,194,239,737.60 = 56,620,243,929.60 : x
  2. Step 2: Convert to fraction form
    80,129,493,158.40/120,194,239,737.60 = 56,620,243,929.60/x
  3. Step 3: Cross multiply
    80,129,493,158.40x = 120,194,239,737.60 × 56,620,243,929.60
  4. Step 4: Simplify right side
    80,129,493,158.40x = 6,805,427,172,875,733,827,584
  5. Step 5: Solve for x
    x = 6,805,427,172,875,733,827,584/80,129,493,158.40
  6. Step 6: Final answer
    x = 84,930,365,894.40

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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.