Home / 133,385,620.50-184,072,156.30-72,338,836.50

Finding the Fourth Proportional to 133,385,620.50, 184,072,156.30 and 72,338,836.50

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Solution

The fourth proportional to 133,385,620.50, 184,072,156.30 and 72,338,836.50 is: 99,827,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,620.50 : 184,072,156.30 = 72,338,836.50 : x
  2. Step 2: Convert to fraction form
    133,385,620.50/184,072,156.30 = 72,338,836.50/x
  3. Step 3: Cross multiply
    133,385,620.50x = 184,072,156.30 × 72,338,836.50
  4. Step 4: Simplify right side
    133,385,620.50x = 13,315,565,618,788,146
  5. Step 5: Solve for x
    x = 13,315,565,618,788,146/133,385,620.50
  6. Step 6: Final answer
    x = 99,827,594.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.