Home / 101,363,779,822.95-139,882,154,675.97-55,014,207,779.52

Finding the Fourth Proportional to 101,363,779,822.95, 139,882,154,675.97 and 55,014,207,779.52

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Solution

The fourth proportional to 101,363,779,822.95, 139,882,154,675.97 and 55,014,207,779.52 is: 75,919,681,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,363,779,822.95 : 139,882,154,675.97 = 55,014,207,779.52 : x
  2. Step 2: Convert to fraction form
    101,363,779,822.95/139,882,154,675.97 = 55,014,207,779.52/x
  3. Step 3: Cross multiply
    101,363,779,822.95x = 139,882,154,675.97 × 55,014,207,779.52
  4. Step 4: Simplify right side
    101,363,779,822.95x = 7,695,505,921,990,768,721,920
  5. Step 5: Solve for x
    x = 7,695,505,921,990,768,721,920/101,363,779,822.95
  6. Step 6: Final answer
    x = 75,919,681,916.29

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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.