Home / 79,916,822,842.50-119,836,007,889.93-39,533,015,306.16

Finding the Fourth Proportional to 79,916,822,842.50, 119,836,007,889.93 and 39,533,015,306.16

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Solution

The fourth proportional to 79,916,822,842.50, 119,836,007,889.93 and 39,533,015,306.16 is: 59,280,118,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,916,822,842.50 : 119,836,007,889.93 = 39,533,015,306.16 : x
  2. Step 2: Convert to fraction form
    79,916,822,842.50/119,836,007,889.93 = 39,533,015,306.16/x
  3. Step 3: Cross multiply
    79,916,822,842.50x = 119,836,007,889.93 × 39,533,015,306.16
  4. Step 4: Simplify right side
    79,916,822,842.50x = 4,737,478,734,141,713,285,120
  5. Step 5: Solve for x
    x = 4,737,478,734,141,713,285,120/79,916,822,842.50
  6. Step 6: Final answer
    x = 59,280,118,573.76

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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.