Home / 101,363,779,752.30-139,882,154,578.76-55,014,207,709.13

Finding the Fourth Proportional to 101,363,779,752.30, 139,882,154,578.76 and 55,014,207,709.13

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Solution

The fourth proportional to 101,363,779,752.30, 139,882,154,578.76 and 55,014,207,709.13 is: 75,919,681,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,363,779,752.30 : 139,882,154,578.76 = 55,014,207,709.13 : x
  2. Step 2: Convert to fraction form
    101,363,779,752.30/139,882,154,578.76 = 55,014,207,709.13/x
  3. Step 3: Cross multiply
    101,363,779,752.30x = 139,882,154,578.76 × 55,014,207,709.13
  4. Step 4: Simplify right side
    101,363,779,752.30x = 7,695,505,906,796,533,383,168
  5. Step 5: Solve for x
    x = 7,695,505,906,796,533,383,168/101,363,779,752.30
  6. Step 6: Final answer
    x = 75,919,681,819.30

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1.5x scale

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.