Home / 101,363,779,756.47-139,882,154,584.49-55,014,207,713.31

Finding the Fourth Proportional to 101,363,779,756.47, 139,882,154,584.49 and 55,014,207,713.31

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Solution

The fourth proportional to 101,363,779,756.47, 139,882,154,584.49 and 55,014,207,713.31 is: 75,919,681,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,363,779,756.47 : 139,882,154,584.49 = 55,014,207,713.31 : x
  2. Step 2: Convert to fraction form
    101,363,779,756.47/139,882,154,584.49 = 55,014,207,713.31/x
  3. Step 3: Cross multiply
    101,363,779,756.47x = 139,882,154,584.49 × 55,014,207,713.31
  4. Step 4: Simplify right side
    101,363,779,756.47x = 7,695,505,907,696,470,589,440
  5. Step 5: Solve for x
    x = 7,695,505,907,696,470,589,440/101,363,779,756.47
  6. Step 6: Final answer
    x = 75,919,681,825.06

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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.