Home / 73,921,052,157.83-110,866,062,074.29-20,849,674,142.40

Finding the Fourth Proportional to 73,921,052,157.83, 110,866,062,074.29 and 20,849,674,142.40

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Solution

The fourth proportional to 73,921,052,157.83, 110,866,062,074.29 and 20,849,674,142.40 is: 31,270,134,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,921,052,157.83 : 110,866,062,074.29 = 20,849,674,142.40 : x
  2. Step 2: Convert to fraction form
    73,921,052,157.83/110,866,062,074.29 = 20,849,674,142.40/x
  3. Step 3: Cross multiply
    73,921,052,157.83x = 110,866,062,074.29 × 20,849,674,142.40
  4. Step 4: Simplify right side
    73,921,052,157.83x = 2,311,521,267,700,037,582,848
  5. Step 5: Solve for x
    x = 2,311,521,267,700,037,582,848/73,921,052,157.83
  6. Step 6: Final answer
    x = 31,270,134,829.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.