Home / 102,251,569,007.85-153,377,353,511.78-77,456,657,711.85

Finding the Fourth Proportional to 102,251,569,007.85, 153,377,353,511.78 and 77,456,657,711.85

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Solution

The fourth proportional to 102,251,569,007.85, 153,377,353,511.78 and 77,456,657,711.85 is: 116,184,986,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,251,569,007.85 : 153,377,353,511.78 = 77,456,657,711.85 : x
  2. Step 2: Convert to fraction form
    102,251,569,007.85/153,377,353,511.78 = 77,456,657,711.85/x
  3. Step 3: Cross multiply
    102,251,569,007.85x = 153,377,353,511.78 × 77,456,657,711.85
  4. Step 4: Simplify right side
    102,251,569,007.85x = 11,880,097,171,711,358,664,704
  5. Step 5: Solve for x
    x = 11,880,097,171,711,358,664,704/102,251,569,007.85
  6. Step 6: Final answer
    x = 116,184,986,567.78

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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.