Home / 120,516,008,545.84-166,312,118,939.86-66,322,557,181.20

Finding the Fourth Proportional to 120,516,008,545.84, 166,312,118,939.86 and 66,322,557,181.20

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Solution

The fourth proportional to 120,516,008,545.84, 166,312,118,939.86 and 66,322,557,181.20 is: 91,525,143,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,516,008,545.84 : 166,312,118,939.86 = 66,322,557,181.20 : x
  2. Step 2: Convert to fraction form
    120,516,008,545.84/166,312,118,939.86 = 66,322,557,181.20/x
  3. Step 3: Cross multiply
    120,516,008,545.84x = 166,312,118,939.86 × 66,322,557,181.20
  4. Step 4: Simplify right side
    120,516,008,545.84x = 11,030,245,018,315,398,316,032
  5. Step 5: Solve for x
    x = 11,030,245,018,315,398,316,032/120,516,008,545.84
  6. Step 6: Final answer
    x = 91,525,143,849.42

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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.