Home / 101,363,779,806.45-139,882,154,653.30-55,014,207,763.07

Finding the Fourth Proportional to 101,363,779,806.45, 139,882,154,653.30 and 55,014,207,763.07

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Solution

The fourth proportional to 101,363,779,806.45, 139,882,154,653.30 and 55,014,207,763.07 is: 75,919,681,893.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,363,779,806.45 : 139,882,154,653.30 = 55,014,207,763.07 : x
  2. Step 2: Convert to fraction form
    101,363,779,806.45/139,882,154,653.30 = 55,014,207,763.07/x
  3. Step 3: Cross multiply
    101,363,779,806.45x = 139,882,154,653.30 × 55,014,207,763.07
  4. Step 4: Simplify right side
    101,363,779,806.45x = 7,695,505,918,441,834,938,368
  5. Step 5: Solve for x
    x = 7,695,505,918,441,834,938,368/101,363,779,806.45
  6. Step 6: Final answer
    x = 75,919,681,893.63

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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.