Home / 89,861,308,547.35-124,012,503,915.03-49,763,287,935.85

Finding the Fourth Proportional to 89,861,308,547.35, 124,012,503,915.03 and 49,763,287,935.85

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Solution

The fourth proportional to 89,861,308,547.35, 124,012,503,915.03 and 49,763,287,935.85 is: 68,675,496,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,308,547.35 : 124,012,503,915.03 = 49,763,287,935.85 : x
  2. Step 2: Convert to fraction form
    89,861,308,547.35/124,012,503,915.03 = 49,763,287,935.85/x
  3. Step 3: Cross multiply
    89,861,308,547.35x = 124,012,503,915.03 × 49,763,287,935.85
  4. Step 4: Simplify right side
    89,861,308,547.35x = 6,171,269,939,969,734,475,776
  5. Step 5: Solve for x
    x = 6,171,269,939,969,734,475,776/89,861,308,547.35
  6. Step 6: Final answer
    x = 68,675,496,047.53

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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.